Use After Free Affecting wpewebkit package, versions <2.32.3-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.21% (59th percentile)

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  • Snyk IDSNYK-DEBIAN11-WPEWEBKIT-1316364
  • published10 Jul 2021
  • disclosed8 Jul 2021

Introduced: 8 Jul 2021

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

How to fix?

Upgrade Debian:11 wpewebkit to version 2.32.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpewebkit package and not the wpewebkit package as distributed by Debian. See How to fix? for Debian:11 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