Use After Free Affecting webkit2gtk3 package, versions <0:2.30.4-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.32% (87th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3-3974875
  • published26 Jul 2021
  • disclosed23 Nov 2020

Introduced: 23 Nov 2020

CVE-2020-13584  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3 to version 0:2.30.4-1.el8 or higher.
This issue was patched in RHSA-2021:1586.

NVD Description

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

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

CVSS Scores

version 3.1