CVE-2021-29972

High

Description

A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabilities as well. This vulnerability affects Firefox < 90.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Mozilla Firefox

PublishedAug 5, 2021

First seenAug 5, 2021

How to fix

Update

mozilla firefox90.0 or later

Vendor advisories

security.gentoo.org/glsa/202202-03

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v < 90.0	90.0

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