CVE-2023-29535

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.

Affected products

• Mozilla / Firefoxunspecified – 112
• Mozilla / Firefox ESRunspecified – 102.10
• Mozilla / Firefox for Androidunspecified – 112
• Mozilla / Focus for Androidunspecified – 112
• Mozilla / Thunderbirdunspecified – 102.10

References

• VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2023-15/
• VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2023-14/
• VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2023-13/
• MISChttps://bugzilla.mozilla.org/show_bug.cgi?id=1820543