⚠ Actively exploited
Added to CISA KEV on 2022-03-07. Federal agencies required to patch by 2022-03-21. Required action: Apply updates per vendor instructions..

CVE-2022-26486

CWE-416 — Use After Free11 documents10 sources
Severity
9.6CRITICAL
EPSS
5.5%
top 9.81%
CISA KEV
KEV
Added 2022-03-07
Due 2022-03-21
Exploit
Exploited in wild
Active exploitation observed
Affected products
6
Mozilla FirefoxMozilla Firefox ESRMozilla Firefox FOR Android+3 more
Timeline
KEV addedMar 7
KEV dueMar 21
PublishedDec 22
CISA Required Action: Apply updates per vendor instructions.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages10 packages

▶NVDmozilla/firefox_focus< 97.3.0
▶CVEListV5mozilla/firefox_for_androidunspecified — 97.3.0
▶CVEListV5mozilla/firefoxunspecified — 97.0.2
▶NVDmozilla/firefox< 91.6.1+2
▶CVEListV5mozilla/firefox_esrunspecified — 91.6.1

🔴Vulnerability Details

5
OSV
CVE-2022-26486: An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape↗2022-12-22
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CVEList
CVE-2022-26486: An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape↗2022-12-22
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GHSA
GHSA-h9vh-vxg7-xmhh: An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape↗2022-12-22
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OSV
firefox vulnerabilities↗2022-03-06
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VulnCheck
Mozilla Firefox Use-After-Free Vulnerability↗2022
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📋Vendor Advisories

5
CISA
Mozilla Firefox Use-After-Free Vulnerability↗2022-03-07
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Ubuntu
Firefox vulnerabilities↗2022-03-06
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Red Hat
Mozilla: Use-after-free in WebGPU IPC Framework↗2022-03-05
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Debian
CVE-2022-26486: firefox - An unexpected message in the WebGPU IPC framework could lead to a use-after-free...↗2022
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Mozilla
Mozilla Foundation Security Advisory 2022-09: CVE-2022-26486↗
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CVE-2022-26486 (CRITICAL CVSS 9.6) | An unexpected message in the WebGPU | cvebase.io