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Out-of-Bounds Affecting firefox-esr package, versions <78.9.0esr-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.26% (66th percentile)
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NVD
8.1 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-DEBIANUNSTABLE-FIREFOXESR-1088420
  • published 24 Mar 2021
  • disclosed 31 Mar 2021
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Introduced: 24 Mar 2021

CVE-2021-23981 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox-esr to version 78.9.0esr-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:unstable relevant fixed versions and status.

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.