VulnerabilityModified
CVE-2023-29535
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced.
MEDIUM 6.5EPSS 0.74%
Does this matter?
Lower severity and a low EPSS score (0.74%). Track it; it rarely justifies an emergency change on its own.
Description
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.74% probability · 53th percentile
- CISA KEV
- Not listed
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/firefox mobile · mozilla/focus · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1820543Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2023-13/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1820543Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2023-13/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.