CVE-2023-29535

Summary

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.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://www.mozilla.org/security/advisories/mfsa2023-13/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-14/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-15/Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1820543