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MFSA2021-08 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.8 (CVE-2021-23973)

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MFSA2021-08 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.8 (CVE-2021-23973)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
02/23/2021
Created
02/25/2021
Added
02/24/2021
Modified
03/05/2021

Description

When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_8

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