CVE-2024-4765

Name: CVE-2024-4765
Creator: NVD / NIST
Published: 2024-05-14T18:15:13.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2024-4765 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.27%

19.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-327

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 126.0

References

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

Timeline

Published: May 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4765?

How severe is CVE-2024-4765?

CVE-2024-4765 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4765?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-4765?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST