Out-of-bounds Write Affecting firefox-esr package, versions <102.3.0esr-1


0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.17% (54th percentile)
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NVD
8.8 high
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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-3027790
  • published 21 Sep 2022
  • disclosed 22 Dec 2022

How to fix?

Upgrade Debian:12 firefox-esr to version 102.3.0esr-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.

Mozilla developers Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 104 and Firefox ESR 102.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.