CVE-2022-46882: Mozilla Firefox

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.

Affected products

• Mozilla Firefox: before 107.0 (fixed in 107.0)
• Mozilla Firefox ESR: before 102.6 (fixed in 102.6)
• Mozilla Thunderbird: before 102.6 (fixed in 102.6)

Published 2022-12-22. Last modified 2026-06-17.