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Ubuntu: USN-4893-1 (CVE-2021-23983): Firefox vulnerabilities

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Ubuntu: USN-4893-1 (CVE-2021-23983): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
03/25/2021
Created
03/30/2021
Added
03/26/2021
Modified
06/26/2021

Description

By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.

Solution(s)

  • ubuntu-upgrade-firefox

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