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Out-of-bounds Write Affecting firefox package, versions <98.0-1

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.16% (52nd percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-2420050
  • published 9 Mar 2022
  • disclosed 22 Dec 2022
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Introduced: 9 Mar 2022

CVE-2022-0843 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 98.0-1 or higher.

NVD Description

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

Mozilla developers Kershaw Chang, Ryan VanderMeulen, and Randell Jesup reported memory safety bugs present in Firefox 97. 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 < 98.