Rapid7 Vulnerability & Exploit Database

MFSA2020-55 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.6 (CVE-2020-26971)

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MFSA2020-55 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.6 (CVE-2020-26971)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/15/2020
Created
12/16/2020
Added
12/16/2020
Modified
01/14/2021

Description

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_6

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