MozillaFirefox (SUSE:Linux Enterprise Server for SAP Applications 15 SP4) — known CVEs & security advisories
Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise Server for SAP Applications 15 SP4 package MozillaFirefox, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.
CVEs (200)
CVE-2026-2760 — CVSS 10.0 (critical): Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148…
CVE-2026-4692 — CVSS 10.0 (critical): Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9…
CVE-2026-4689 — CVSS 10.0 (critical): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — CVSS 10.0 (critical): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR…
CVE-2026-2778 — CVSS 10.0 (critical): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox…
CVE-2026-2776 — CVSS 10.0 (critical): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in…
CVE-2026-2768 — CVSS 10.0 (critical): Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2761 — CVSS 10.0 (critical): Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2024-6602 — CVSS 9.8 (critical): A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR <…
CVE-2024-11693 — CVSS 9.8 (critical): The executable file warning was not presented when downloading .library-ms files. *Note: This issue only affected Windows operating…
CVE-2024-11698 — CVSS 9.8 (critical): A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal…
CVE-2024-11704 — CVSS 9.8 (critical): A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the…
CVE-2024-3863 — CVSS 9.8 (critical): The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems…
CVE-2024-6611 — CVSS 9.8 (critical): A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128…
CVE-2024-8381 — CVSS 9.8 (critical): A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with`…
CVE-2024-8384 — CVSS 9.8 (critical): The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two…
CVE-2024-8385 — CVSS 9.8 (critical): A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability…
CVE-2024-8387 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory…
CVE-2024-9392 — CVSS 9.8 (critical): A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131…
CVE-2024-9401 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence…
CVE-2024-9402 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence of memory…
CVE-2025-1009 — CVSS 9.8 (critical): An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was…
CVE-2025-1017 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. Some of these bugs showed evidence of…
CVE-2025-11708 — CVSS 9.8 (critical): Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and…
CVE-2025-11709 — CVSS 9.8 (critical): A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures…
CVE-2025-11710 — CVSS 9.8 (critical): A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to…
CVE-2025-14321 — CVSS 9.8 (critical): Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and…
CVE-2025-14324 — CVSS 9.8 (critical): JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR…
CVE-2025-14330 — CVSS 9.8 (critical): JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird…
CVE-2025-4918 — CVSS 9.8 (critical): An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox…
CVE-2025-6424 — CVSS 9.8 (critical): A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR…
CVE-2025-6433 — CVSS 9.8 (critical): If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge…
CVE-2025-8028 — CVSS 9.8 (critical): On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation…
CVE-2025-8031 — CVSS 9.8 (critical): The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials…
CVE-2025-8038 — CVSS 9.8 (critical): Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability was fixed in Firefox 141, Firefox ESR…
CVE-2025-9179 — CVSS 9.8 (critical): An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily…
CVE-2025-9187 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that…
CVE-2026-0879 — CVSS 9.8 (critical): Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR…
CVE-2026-0884 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and…
CVE-2026-2757 — CVSS 9.8 (critical): Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33…
CVE-2026-2758 — CVSS 9.8 (critical): Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2759 — CVSS 9.8 (critical): Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox…
CVE-2026-2762 — CVSS 9.8 (critical): Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird…
CVE-2026-2763 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2764 — CVSS 9.8 (critical): JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR…
CVE-2026-2765 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2766 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148…
CVE-2026-2767 — CVSS 9.8 (critical): Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148…
CVE-2026-2770 — CVSS 9.8 (critical): Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2771 — CVSS 9.8 (critical): Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2772 — CVSS 9.8 (critical): Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2773 — CVSS 9.8 (critical): Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR…
CVE-2026-2774 — CVSS 9.8 (critical): Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2775 — CVSS 9.8 (critical): Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2777 — CVSS 9.8 (critical): Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2779 — CVSS 9.8 (critical): Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird…
CVE-2026-2780 — CVSS 9.8 (critical): Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2781 — CVSS 9.8 (critical): Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148…
CVE-2026-2782 — CVSS 9.8 (critical): Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2784 — CVSS 9.8 (critical): Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2785 — CVSS 9.8 (critical): Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2786 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2787 — CVSS 9.8 (critical): Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR…
CVE-2026-2788 — CVSS 9.8 (critical): Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox…
CVE-2026-2789 — CVSS 9.8 (critical): Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2026-2790 — CVSS 9.8 (critical): Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird…
CVE-2026-2791 — CVSS 9.8 (critical): Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and…
CVE-2026-2792 — CVSS 9.8 (critical): Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence…
CVE-2026-2793 — CVSS 9.8 (critical): Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these…
CVE-2026-4691 — CVSS 9.8 (critical): Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR…
CVE-2026-4696 — CVSS 9.8 (critical): Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9…
CVE-2026-4698 — CVSS 9.8 (critical): JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR…
CVE-2026-4700 — CVSS 9.8 (critical): Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4701 — CVSS 9.8 (critical): Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4702 — CVSS 9.8 (critical): JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4705 — CVSS 9.8 (critical): Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4710 — CVSS 9.8 (critical): Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird…
CVE-2026-4711 — CVSS 9.8 (critical): Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4717 — CVSS 9.8 (critical): Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2026-4720 — CVSS 9.8 (critical): Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence…
CVE-2026-4721 — CVSS 9.8 (critical): Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these…
CVE-2026-5734 — CVSS 9.8 (critical): Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs…
CVE-2026-12295 — CVSS 9.6 (critical): Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37…
CVE-2024-7519 — CVSS 9.6 (critical): Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to…
CVE-2026-12296 — CVSS 9.6 (critical): Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird…
CVE-2026-12294 — CVSS 9.6 (critical): Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37…
CVE-2026-12297 — CVSS 9.6 (critical): Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR…
CVE-2026-12315 — CVSS 9.1 (critical): Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and…
CVE-2025-6427 — CVSS 9.1 (critical): An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also…
CVE-2026-4715 — CVSS 9.1 (critical): Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149…
CVE-2025-8037 — CVSS 9.1 (critical): Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the…
CVE-2026-4716 — CVSS 9.1 (critical): Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149…
CVE-2026-12304 — CVSS 9.1 (critical): Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12…
CVE-2025-4083 — CVSS 9.1 (critical): A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute…
CVE-2025-14328 — CVSS 8.8 (high): Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and…
CVE-2025-14329 — CVSS 8.8 (high): Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and…
CVE-2024-2614 — CVSS 8.8 (high): Memory safety bugs present in Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8. Some of these bugs showed evidence of memory…
CVE-2024-7520 — CVSS 8.8 (high): A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects…
CVE-2025-1930 — CVSS 8.8 (high): On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process…
CVE-2024-6615 — CVSS 8.8 (high): Memory safety bugs present in Firefox 127 and Thunderbird 127. Some of these bugs showed evidence of memory corruption and we presume that…
CVE-2024-7521 — CVSS 8.8 (high): Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR <…
CVE-2026-0882 — CVSS 8.8 (high): Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147…
CVE-2026-12289 — CVSS 8.8 (high): Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR…
CVE-2024-7527 — CVSS 8.8 (high): Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR…
CVE-2025-4919 — CVSS 8.8 (high): An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability…
CVE-2025-6426 — CVSS 8.8 (high): The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for…
CVE-2023-6856 — CVSS 8.8 (high): The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue…
CVE-2024-4777 — CVSS 8.8 (high): Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. Some of these bugs showed evidence of memory…
CVE-2024-8382 — CVSS 8.8 (high): Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web…
CVE-2024-4770 — CVSS 8.8 (high): When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox <…
CVE-2024-4367 — CVSS 8.8 (high): A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This…
CVE-2024-11699 — CVSS 8.8 (high): Memory safety bugs present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4. Some of these bugs showed evidence of memory…
CVE-2024-11697 — CVSS 8.8 (high): When handling keypress events, an attacker may have been able to trick a user into bypassing the "Open Executable File?" confirmation…
CVE-2025-8040 — CVSS 8.8 (high): Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence…
CVE-2024-9396 — CVSS 8.8 (high): It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to…
CVE-2024-11691 — CVSS 8.8 (high): Certain WebGL operations on Apple silicon M series devices could have lead to an out-of-bounds write and memory corruption due to a flaw in…
CVE-2024-10467 — CVSS 8.8 (high): Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. Some of these bugs showed evidence of memory…
CVE-2024-6605 — CVSS 8.8 (high): Firefox Android allowed immediate interaction with permission prompts. This could be used for tapjacking. This vulnerability affects…
CVE-2024-9400 — CVSS 8.8 (high): A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during…
CVE-2024-0755 — CVSS 8.8 (high): Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. Some of these bugs showed evidence of memory…
CVE-2026-2769 — CVSS 8.8 (high): Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8…
CVE-2024-0751 — CVSS 8.8 (high): A malicious devtools extension could have been used to escalate privileges. This vulnerability affects Firefox < 122, Firefox ESR < 115.7…
CVE-2024-0750 — CVSS 8.8 (high): A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This…
CVE-2023-6864 — CVSS 8.8 (high): Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs showed evidence of memory…
CVE-2023-6863 — CVSS 8.8 (high): The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual…
CVE-2023-6862 — CVSS 8.8 (high): A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability…
CVE-2026-5732 — CVSS 8.8 (high): Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox…
CVE-2023-6861 — CVSS 8.8 (high): The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects…
CVE-2023-6859 — CVSS 8.8 (high): A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6…
CVE-2024-7528 — CVSS 8.8 (high): Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox…
CVE-2025-11714 — CVSS 8.8 (high): Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these…
CVE-2025-11715 — CVSS 8.8 (high): Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence…
CVE-2025-2817 — CVSS 8.8 (high): Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the…
CVE-2025-13014 — CVSS 8.8 (high): Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30…
CVE-2024-7522 — CVSS 8.8 (high): Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 129…
CVE-2025-13020 — CVSS 8.8 (high): Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and…
CVE-2024-3854 — CVSS 8.8 (high): In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability…
CVE-2026-0880 — CVSS 8.8 (high): Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox…
CVE-2025-14323 — CVSS 8.8 (high): Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR…
CVE-2023-6207 — CVSS 8.8 (high): Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and…
CVE-2026-12291 — CVSS 8.8 (high): Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37…
CVE-2025-10533 — CVSS 8.8 (high): Integer overflow in the SVG component. This vulnerability was fixed in Firefox 143, Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird 143…
CVE-2025-10537 — CVSS 8.8 (high): Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence…
CVE-2023-6212 — CVSS 8.8 (high): Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs showed evidence of memory…
CVE-2024-6609 — CVSS 8.8 (high): When almost out-of-memory an elliptic curve key which was never allocated could have been freed again. This vulnerability affects Firefox <…
CVE-2023-6208 — CVSS 8.8 (high): When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage…
CVE-2025-1010 — CVSS 8.8 (high): An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability…
CVE-2025-1011 — CVSS 8.8 (high): A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code…
CVE-2023-6858 — CVSS 8.8 (high): Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox…
CVE-2025-1014 — CVSS 8.8 (high): Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This…
CVE-2024-6607 — CVSS 8.8 (high): It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a…
CVE-2026-2447 — CVSS 8.8 (high): Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird…
CVE-2026-4687 — CVSS 8.6 (high): Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR…
CVE-2025-6432 — CVSS 8.6 (high): When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS…
CVE-2026-4690 — CVSS 8.6 (high): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149…
CVE-2024-5696 — CVSS 8.6 (high): By manipulating the text in an `<input>` tag, an attacker could have caused corrupt memory leading to a potentially exploitable…
CVE-2024-2608 — CVSS 8.4 (high): `AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienced integer…
CVE-2024-29944 — CVSS 8.4 (high): An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent…
CVE-2024-6606 — CVSS 8.2 (high): Clipboard code failed to check the index on an array access. This could have led to an out-of-bounds read. This vulnerability affects…
CVE-2025-9184 — CVSS 8.1 (high): Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence…
CVE-2025-4093 — CVSS 8.1 (high): Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that…
CVE-2025-9180 — CVSS 8.1 (high): Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR…
CVE-2025-8039 — CVSS 8.1 (high): In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in…
CVE-2025-5268 — CVSS 8.1 (high): Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence…
CVE-2025-5269 — CVSS 8.1 (high): Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that…
CVE-2025-8036 — CVSS 8.1 (high): Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This…
CVE-2025-8032 — CVSS 8.1 (high): XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141…
CVE-2025-8030 — CVSS 8.1 (high): Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This…
CVE-2025-6435 — CVSS 8.1 (high): If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with…
CVE-2025-6436 — CVSS 8.1 (high): Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of memory corruption and we presume that…
CVE-2025-8029 — CVSS 8.1 (high): Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR…
CVE-2024-7525 — CVSS 8.1 (high): It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response…
CVE-2024-2607 — CVSS 8.1 (high): Return registers were overwritten which could have allowed an attacker to execute arbitrary code. *Note:* This issue only affected Armv7-A…
CVE-2024-1553 — CVSS 8.1 (high): Memory safety bugs present in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7. Some of these bugs showed evidence of memory…
CVE-2024-5688 — CVSS 8.1 (high): If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant. This vulnerability…
CVE-2024-3864 — CVSS 8.1 (high): Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we…
CVE-2026-12328 — CVSS 8.1 (high): Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of…
CVE-2026-12327 — CVSS 8.1 (high): Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed…
CVE-2025-11713 — CVSS 8.1 (high): Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows…
CVE-2026-12292 — CVSS 8.1 (high): Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152…
CVE-2026-4718 — CVSS 8.1 (high): Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and…
CVE-2025-13017 — CVSS 8.1 (high): Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird…
CVE-2025-13018 — CVSS 8.1 (high): Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and…
CVE-2025-13019 — CVSS 8.1 (high): Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145…
CVE-2026-12290 — CVSS 8.1 (high): Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird…
CVE-2025-14333 — CVSS 8.1 (high): Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. Some of these bugs showed evidence…
CVE-2025-1932 — CVSS 8.1 (high): An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version…
CVE-2026-0891 — CVSS 8.1 (high): Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence…
CVE-2024-2612 — CVSS 8.1 (high): If an attacker could find a way to trigger a particular code path in `SafeRefPtr`, it could have triggered a crash or potentially be…
CVE-2025-3030 — CVSS 8.1 (high): Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of…
CVE-2026-0877 — CVSS 8.1 (high): Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7…
CVE-2025-4091 — CVSS 8.1 (high): Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of…
CVE-2026-0878 — CVSS 8.0 (high): Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147…
CVE-2025-14322 — CVSS 8.0 (high): Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146…