Use After Free Affecting webkitgtk4 package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.34% (73rd percentile)

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  • Snyk IDSNYK-CENTOS7-WEBKITGTK4-2018556
  • published1 Sept 2021
  • disclosed28 Jul 2021

Introduced: 28 Jul 2021

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

How to fix?

There is no fixed version for Centos:7 webkitgtk4.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkitgtk4 package and not the webkitgtk4 package as distributed by Centos. See How to fix? for Centos:7 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