#VU117968 Buffer overflow in WebKitGTK+ and WPE WebKit - CVE-2025-43431

 

#VU117968 Buffer overflow in WebKitGTK+ and WPE WebKit - CVE-2025-43431

Published: November 4, 2025 / Updated: November 24, 2025


Vulnerability identifier: #VU117968
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-43431
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
WebKitGTK+
WPE WebKit
Software vendor:
WebKitGTK

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website. trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links