NetSight
critical9.6Known exploited

CVE-2022-26486

Mozilla Firefox Use-After-Free Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-07. Federal due date: 2022-03-21.

Apply updates per vendor instructions.

Impact

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

Affected products

VendorProductAffected versions
MozillaFirefox
before 91.6.1
before 97.0.2
MozillaFirefox Focus
before 97.3.0
MozillaFirefox Mobile
before 97.3.0
MozillaThunderbird
before 91.6.2

Weakness classification

References