Use After Free Affecting webkitgtk4-jsc-devel package, versions <0:2.48.3-2.el7_9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.16% (38th 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-WEBKITGTK4JSCDEVEL-10654522
  • published7 Jul 2025
  • disclosed28 Sept 2023

Introduced: 28 Sep 2023

CVE-2023-39928  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 webkitgtk4-jsc-devel to version 0:2.48.3-2.el7_9 or higher.
This issue was patched in RHSA-2025:10364.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkitgtk4-jsc-devel package and not the webkitgtk4-jsc-devel package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.

CVSS Base Scores

version 3.1