CVE-2024-4765: mozilla firefox
Vulnerability summary
CVE-2024-4765 is a high (CVSS 8.1) vulnerability in mozilla firefox. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 14-05-2024PublishedVulnerability first disclosed.
- 29-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- firefox-esr< 126-r0
Mozilla1 product
- firefox≥ unspecified, < 126 | < 126.0
2 vendors · 2 products
References
2 links- bugzilla.mozilla.org/show_bug.cgi?id=1871109Issue Tracking
- www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory