VulnerabilityAnalyzed
CVE-2024-3854
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads.
HIGH 8.8EPSS 0.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.73% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1884552Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing List, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1884552Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing List, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.