Use After Free Affecting webkit2gtk3-devel package, versions <0:2.34.6-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.65% (80th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3DEVEL-4223533
  • published21 Dec 2021
  • disclosed20 Dec 2021

Introduced: 20 Dec 2021

CVE-2021-30809  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3-devel to version 0:2.34.6-1.el8 or higher.
This issue was patched in RHSA-2022:1777.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-devel package and not the webkit2gtk3-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Scores

version 3.1