VulnerabilityAnalyzed
CVE-2024-3857
This led to potential use-after-free crashes during garbage collection.
HIGH 7.8EPSS 0.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.24% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox · mozilla/thunderbird · debian/debian linux
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1886683Issue 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=1886683Issue 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.