Rapid7 Vulnerability & Exploit Database

MFSA2021-45 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.2 (CVE-2021-38496)

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MFSA2021-45 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.2 (CVE-2021-38496)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
10/05/2021
Created
10/07/2021
Added
10/06/2021
Modified
01/05/2022

Description

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Solution(s)

  • mozilla-firefox-esr-upgrade-91_2

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