Rapid7 Vulnerability & Exploit Database

MFSA2021-29 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.12 (CVE-2021-29970)

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MFSA2021-29 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.12 (CVE-2021-29970)

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
07/13/2021
Created
07/15/2021
Added
07/14/2021
Modified
08/16/2021

Description

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_12

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