Use After Free Affecting firefox-esr package, versions <91.11.0esr-1~deb10u1


0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.14% (50th percentile)
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NVD
9.8 critical
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SUSE
9.8 critical
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Red Hat
9.8 critical

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  • Snyk ID SNYK-DEBIAN10-FIREFOXESR-2936680
  • published 29 Jun 2022
  • disclosed 22 Dec 2022

How to fix?

Upgrade Debian:10 firefox-esr to version 91.11.0esr-1~deb10u1 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:10 relevant fixed versions and status.

Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.