vulnerability

MFSA2021-20 Firefox: Security Vulnerabilities fixed in Firefox 88.0.1, Firefox for Android 88.1.3 (CVE-2021-29952)

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
May 5, 2021
Added
May 6, 2021
Modified
Aug 11, 2025

Description

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Solution

mozilla-firefox-upgrade-88_0_1
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.