Use After Free Affecting libwebkit2gtk3-lang package, versions <2.32.3-3.77.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.34% (73rd percentile)

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  • Snyk IDSNYK-SLES150-LIBWEBKIT2GTK3LANG-2668800
  • published14 Apr 2022
  • disclosed17 Aug 2021

Introduced: 17 Aug 2021

CVE-2021-21779  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 libwebkit2gtk3-lang to version 2.32.3-3.77.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwebkit2gtk3-lang package and not the libwebkit2gtk3-lang package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

CVSS Scores

version 3.1