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Use After Free Affecting firefox-esr package, versions <91.6.1esr-1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 0.4% (74th percentile)
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NVD
9.6 critical
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SUSE
8.8 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-DEBIAN12-FIREFOXESR-2419016
  • published 6 Mar 2022
  • disclosed 22 Dec 2022
Report a new vulnerability Found a mistake?

Introduced: 6 Mar 2022

CVE-2022-26486 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Debian:12 firefox-esr to version 91.6.1esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.