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


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.34% (73rd percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3JSC-4222403
  • published22 Feb 2022
  • disclosed17 Feb 2022

Introduced: 17 Feb 2022

CVE-2022-22620  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3-jsc 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-jsc package and not the webkit2gtk3-jsc 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 macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

CVSS Scores

version 3.1