Use After Free Affecting webkit2gtk3-devel package, versions <0:2.32.3-2.el8


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.36% (73rd 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-ORACLE8-WEBKIT2GTK3DEVEL-2592589
  • published10 Apr 2022
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-21775  (opens in a new tab)
CWE-416  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Oracle:8 webkit2gtk3-devel to version 0:2.32.3-2.el8 or higher.
This issue was patched in ELSA-2021-4381.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-devel package and not the webkit2gtk3-devel package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS Scores

version 3.1