CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
9.6
CRITICAL
CVSS 3.1
⚠ KEVEPSS 2.5%
Description
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.
How to fix CVE-2022-26486
To remediate CVE-2022-26486, upgrade the affected package to a fixed version below.
- —upgrade to 91.6.1esr-1~deb11u1 or later
- —upgrade to 1:91.6.2-1~deb11u1 or later
Is CVE-2022-26486 being exploited?
Yes — CVE-2022-26486 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 91.6.1esr-1~deb11u1
- from 0, < 1:91.6.2-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |