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Ubuntu: USN-4756-1 (CVE-2021-23979): Firefox vulnerabilities

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Ubuntu: USN-4756-1 (CVE-2021-23979): Firefox vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
02/26/2021
Created
03/02/2021
Added
02/27/2021
Modified
05/07/2021

Description

Mozilla developers reported memory safety bugs present in Firefox 85. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86.

Solution(s)

  • ubuntu-upgrade-firefox

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