Use After Free Affecting webkitgtk3-devel package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.52% (77th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL7-WEBKITGTK3DEVEL-1577652
  • 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 RHEL:7 webkitgtk3-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkitgtk3-devel package and not the webkitgtk3-devel package as distributed by RHEL. See How to fix? for RHEL: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