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Use After Free Affecting firefox-esr package, versions <102.2.0esr-1

0.0
high

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.13% (48th percentile)
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
7.5 high

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  • Snyk ID SNYK-DEBIAN12-FIREFOXESR-2990212
  • published 24 Aug 2022
  • disclosed 22 Dec 2022
Report a new vulnerability Found a mistake?

Introduced: 24 Aug 2022

CVE-2022-38476 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 102.2.0esr-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.

A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.