How severe is CVE-2024-27530?

CVE-2024-27530 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-27530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27530?

CVE-2024-27530 affects Wasm3 Project Wasm3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27530?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-27530 have an EU (EUVD) identifier?

Yes. CVE-2024-27530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24725.

When was CVE-2024-27530 published?

CVE-2024-27530 was published on 2024-11-08 and last updated on 2026-06-17.

CVE-2024-27530

CVE-2024-27530 is a high-severity vulnerability in Wasm3 Project Wasm3 with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24725
Weakness: CWE-416
Affected product: Wasm3 Project Wasm3
Published: 2024-11-08
Last modified: 2026-06-17

Description

wasm3 139076a contains a Use-After-Free in ForEachModule.

Frequently asked questions

What is CVE-2024-27530?: wasm3 139076a contains a Use-After-Free in ForEachModule.
How severe is CVE-2024-27530?: CVE-2024-27530 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-27530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27530?: CVE-2024-27530 affects Wasm3 Project Wasm3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27530?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-27530 have an EU (EUVD) identifier?: Yes. CVE-2024-27530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24725.
When was CVE-2024-27530 published?: CVE-2024-27530 was published on 2024-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wasm3_project:wasm3:139076a:*:*:*:*:*:*:*

More vulnerabilities in Wasm3 Project Wasm3

CVE-2024-34249 — Critical (CVSS 9.8): wasm3 v0.5.0 was discovered to contain a heap buffer overflow which leads to segmentation fault via the function…
CVE-2024-27529 — High (CVSS 8.4): wasm3 139076a contains memory leaks in Read_utf8.
CVE-2024-27528 — High (CVSS 8.4): wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution.
CVE-2022-28990 — High (CVSS 7.8): WASM3 v0.5.0 was discovered to contain a heap overflow via the component /wabt/bin/poc.wasm.
CVE-2024-27527 — High (CVSS 7.5): wasm3 139076a is vulnerable to Denial of Service (DoS).
CVE-2024-34246 — High (CVSS 7.5): wasm3 v0.5.0 was discovered to contain an out-of-bound memory read which leads to segmentation fault via the function…

All CVEs affecting Wasm3 Project Wasm3 →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →