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CVE-2022-28281

HIGH CVSS: 8.8 Published: 2022-12-22 Modified: 2026-06-17

Description

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Affected Platforms

Mozilla FirefoxMozilla ThunderbirdMozilla Firefox Esr

Weakness Type

CWE-787, CWE-787

References