Use After Free Affecting webkitgtk4 package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-CENTOS7-WEBKITGTK4-2015646
  • published1 Sept 2021
  • disclosed8 Jul 2021

Introduced: 8 Jul 2021

CVE-2021-21806  (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.

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