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MFSA2021-11 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.9 (CVE-2021-23981)

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MFSA2021-11 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.9 (CVE-2021-23981)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:P)
Published
03/23/2021
Created
03/24/2021
Added
03/24/2021
Modified
06/28/2021

Description

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.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_9

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