Use After Free Affecting libjavascriptcoregtk-4_0-18 package, versions <2.32.4-12.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-SLES153-LIBJAVASCRIPTCOREGTK4018-2661832
  • published14 Apr 2022
  • disclosed12 Oct 2021

Introduced: 12 Oct 2021

CVE-2021-21806  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 libjavascriptcoregtk-4_0-18 to version 2.32.4-12.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libjavascriptcoregtk-4_0-18 package and not the libjavascriptcoregtk-4_0-18 package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

CVSS Scores

version 3.1