Rapid7

vulnerability

MFSA2022-13 Firefox: Security Vulnerabilities fixed in Firefox 99 (CVE-2022-28281)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Apr 5, 2022
Added
Apr 6, 2022
Modified
Mar 27, 2026

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.

Solution

mozilla-firefox-upgrade-99_0
Title
Rapid7 Labs

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