CVE-2024-4775
CVE-2024-4775 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 5.9. 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-431.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-44368
- Weakness: CWE-431
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
An iterator stop condition was missing when handling WASM code in the built-in profiler, potentially leading to invalid memory access and undefined behavior. *Note:* This issue only affects the application when the profiler is running. This vulnerability affects Firefox < 126.
Frequently asked questions
- What is CVE-2024-4775?
- An iterator stop condition was missing when handling WASM code in the built-in profiler, potentially leading to invalid memory access and undefined behavior. *Note:* This issue only affects the application when the profiler is running. This vulnerability affects Firefox < 126.
- How severe is CVE-2024-4775?
- CVE-2024-4775 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-4775 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-4775?
- CVE-2024-4775 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-4775?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-4775 have an EU (EUVD) identifier?
- Yes. CVE-2024-4775 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44368.
- When was CVE-2024-4775 published?
- CVE-2024-4775 was published on 2024-05-14 and last updated on 2026-06-17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1887332
- https://www.mozilla.org/security/advisories/mfsa2024-21/
Affected products (1)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
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