CVE-2024-4765

8.1 highEPSS 0.3%

High (8.1) in mozilla firefox. EPSS 0.3% chance of exploitation in the next 30 days.

Web application manifests were stored by using an insecure MD5 hash which allowed for a hash collision to overwrite another application's manifest. This could have been exploited to run arbitrary code in another application's context. *This issue only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.

Severity

CVSS 3.1

8.1 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-327
Published: 2024-05-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1871109
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1871109
https://www.mozilla.org/security/advisories/mfsa2024-21/

Check your stack JSON