MozillaFirefox (SUSE:Linux Enterprise Server 15 SP3-LTSS) — known CVEs & security advisories
Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise Server 15 SP3-LTSS package MozillaFirefox, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.
CVEs (200)
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-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-2024-8381 — 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-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-2023-29542 — CVSS 9.8 (critical): A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such…
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-2024-8385 — 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-2024-6611 — 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-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-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-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-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-2023-34416 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. Some of these bugs showed evidence of memory…
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-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-2025-14324 — 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-2025-14321 — 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-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-2024-11693 — CVSS 9.8 (critical): The executable file warning was not presented when downloading .library-ms files. *Note: This issue only affected Windows operating…
CVE-2023-5731 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of memory corruption and we presume that with enough effort…
CVE-2023-5730 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs showed evidence of memory…
CVE-2023-5176 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence of memory…
CVE-2023-5174 — CVSS 9.8 (critical): If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting…
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-2023-5168 — CVSS 9.8 (critical): A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a…
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-2025-11708 — 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-2023-4057 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory…
CVE-2023-4056 — CVSS 9.8 (critical): Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these…
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-2025-9179 — 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-2025-1009 — 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-2025-8038 — 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-2025-8028 — 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-2023-29531 — CVSS 9.8 (critical): An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable…
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-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-2024-9392 — 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-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-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-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-2025-8037 — 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-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-2023-4582 — CVSS 8.8 (high): Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much…
CVE-2023-0767 — CVSS 8.8 (high): An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag…
CVE-2023-23605 — CVSS 8.8 (high): Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. Some of these…
CVE-2023-25729 — CVSS 8.8 (high): Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to…
CVE-2023-25732 — CVSS 8.8 (high): When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated…
CVE-2023-25735 — CVSS 8.8 (high): Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment…
CVE-2023-25737 — CVSS 8.8 (high): An invalid downcast from <code>nsTextNode</code> to <code>SVGElement</code> could have lead to undefined behavior. This vulnerability…
CVE-2023-25739 — CVSS 8.8 (high): Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in…
CVE-2023-25744 — CVSS 8.8 (high): Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume…
CVE-2023-25746 — CVSS 8.8 (high): Memory safety bugs present in Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume that with enough…
CVE-2023-28161 — CVSS 8.8 (high): If temporary "one-time" permissions, such as the ability to use the Camera, were granted to a document loaded using a file: URL, that…
CVE-2023-28162 — CVSS 8.8 (high): While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a…
CVE-2023-28176 — CVSS 8.8 (high): Memory safety bugs present in Firefox 110 and Firefox ESR 102.8. Some of these bugs showed evidence of memory corruption and we presume…
CVE-2023-28177 — CVSS 8.8 (high): Memory safety bugs present in Firefox 110. Some of these bugs showed evidence of memory corruption and we presume that with enough effort…
CVE-2023-29536 — CVSS 8.8 (high): An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an…
CVE-2023-29539 — CVSS 8.8 (high): When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL…
CVE-2023-29541 — CVSS 8.8 (high): Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled…
CVE-2023-29550 — CVSS 8.8 (high): Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume…
CVE-2023-32207 — CVSS 8.8 (high): A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This…
CVE-2023-32213 — CVSS 8.8 (high): When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR <…
CVE-2023-32215 — CVSS 8.8 (high): Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight and the…
CVE-2023-3600 — CVSS 8.8 (high): During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This…
CVE-2023-37201 — CVSS 8.8 (high): An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects…
CVE-2023-37202 — CVSS 8.8 (high): Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment…
CVE-2023-37209 — CVSS 8.8 (high): A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object was freed and a reference to that…
CVE-2023-37211 — CVSS 8.8 (high): Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs showed evidence of memory…
CVE-2023-37212 — CVSS 8.8 (high): Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we presume that with enough effort…
CVE-2023-4047 — 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-2022-46871 — CVSS 8.8 (high): An out of date library (libusrsctp) contained vulnerabilities that could potentially be exploited. This vulnerability affects Firefox < 108.
CVE-2023-4584 — CVSS 8.8 (high): Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. Some of these…
CVE-2023-4585 — CVSS 8.8 (high): Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. Some of these bugs showed evidence of memory…
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-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-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-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-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-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-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-2023-6862 — 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-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-2023-6864 — 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-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-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-2024-0755 — 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-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-2024-11691 — 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-2024-11697 — 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-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-2024-2614 — 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-2024-3854 — 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-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-2024-4770 — 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-2024-4777 — 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-2024-6605 — CVSS 8.8 (high): Firefox Android allowed immediate interaction with permission prompts. This could be used for tapjacking. This vulnerability affects…
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-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-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-2024-7520 — 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-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-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-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-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-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-2024-9396 — 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-2024-9400 — 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-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-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-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-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-2025-13014 — 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-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-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-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-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-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-2025-4919 — 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-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-2023-4576 — CVSS 8.6 (high): On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking…
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-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-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-2025-8039 — 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-2023-25734 — CVSS 8.1 (high): After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to…
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-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-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-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-2025-8032 — 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-2025-4093 — 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-2025-8036 — CVSS 8.1 (high): Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This…
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-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-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-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-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-2025-14333 — 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-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-2025-5269 — 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-2025-9184 — 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-2025-6436 — 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-2025-6435 — 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-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-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-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-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-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-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-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-2025-14322 — CVSS 8.0 (high): Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146…
CVE-2023-37208 — CVSS 7.8 (high): When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code. This vulnerability affects Firefox <…
CVE-2024-43097 — CVSS 7.8 (high): In resizeToAtLeast of SkRegion.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation…
CVE-2023-37203 — CVSS 7.8 (high): Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed an attacker to trick end-users…
CVE-2024-3857 — CVSS 7.8 (high): The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This…
CVE-2025-0241 — CVSS 7.7 (high): When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability…
CVE-2025-1933 — CVSS 7.6 (high): On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them…
CVE-2024-6604 — CVSS 7.5 (high): Memory safety bugs present in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12. Some of these bugs showed evidence of memory…
CVE-2023-5724 — CVSS 7.5 (high): Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability…
CVE-2024-9399 — CVSS 7.5 (high): A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service…
CVE-2024-9394 — CVSS 7.5 (high): An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This…
CVE-2024-9393 — CVSS 7.5 (high): An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This…
CVE-2024-8900 — CVSS 7.5 (high): An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events. This…
CVE-2024-8383 — CVSS 7.5 (high): Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does…
CVE-2024-0743 — CVSS 7.5 (high): An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox <…
CVE-2025-9182 — CVSS 7.5 (high): Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR…
CVE-2024-10466 — CVSS 7.5 (high): By sending a specially crafted push message, a remote server could have hung the parent process, causing the browser to become…
CVE-2025-1937 — CVSS 7.5 (high): Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. Some of these…
CVE-2023-4583 — CVSS 7.5 (high): When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to…
CVE-2023-4055 — CVSS 7.5 (high): When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no longer consistent…
CVE-2023-4051 — CVSS 7.5 (high): A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and…
CVE-2024-1546 — CVSS 7.5 (high): When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds…
CVE-2024-10458 — CVSS 7.5 (high): A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects…
CVE-2023-4050 — CVSS 7.5 (high): In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable…
CVE-2023-4048 — CVSS 7.5 (high): An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability…
CVE-2024-1552 — CVSS 7.5 (high): Incorrect code generation could have led to unexpected numeric conversions and potential undefined behavior.*Note:* This issue only affects…
CVE-2025-1931 — CVSS 7.5 (high): It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable…
CVE-2023-25743 — CVSS 7.5 (high): A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>*This bug…
CVE-2024-3852 — CVSS 7.5 (high): GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affects Firefox < 125…
CVE-2025-13016 — CVSS 7.5 (high): Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5…
CVE-2025-13012 — CVSS 7.5 (high): Race condition in the Graphics component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird…
CVE-2024-10459 — CVSS 7.5 (high): An attacker could have caused a use-after-free when accessibility was enabled, leading to a potentially exploitable crash. This…
CVE-2023-5728 — CVSS 7.5 (high): During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable…
CVE-2024-5702 — CVSS 7.5 (high): Memory corruption in the networking stack could have led to a potentially exploitable crash. This vulnerability affects Firefox < 125…
CVE-2023-32214 — CVSS 7.5 (high): Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects…