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Use After Free Affecting firefox-esr package, versions <91.8.0esr-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.09% (38th percentile)
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NVD
6.5 medium
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN12-FIREFOXESR-2441175
  • published 6 Apr 2022
  • disclosed 22 Dec 2022
Report a new vulnerability Found a mistake?

Introduced: 6 Apr 2022

CVE-2022-1097 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 91.8.0esr-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.

<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.