Rapid7 Vulnerability & Exploit Database

MFSA2021-34 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.13 (CVE-2021-29980)

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MFSA2021-34 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.13 (CVE-2021-29980)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
08/10/2021
Created
08/12/2021
Added
08/12/2021
Modified
08/26/2021

Description

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_13

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