CVE-2024-4367 Affecting webkit2gtk3-jsc package, versions <0:2.52.5-1.el9_8


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
72.65% (100th 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 IDSNYK-ALMALINUX9-WEBKIT2GTK3JSC-18165698
  • published22 Jul 2026
  • disclosed20 Jul 2026

Introduced: 20 Jul 2026

CVE-2024-4367  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 webkit2gtk3-jsc to version 0:2.52.5-1.el9_8 or higher.
This issue was patched in ALSA-2026:42062.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-jsc package and not the webkit2gtk3-jsc package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

CVSS Base Scores

version 3.1