#VU119909 Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2025-43511
Published: December 13, 2025 / Updated: March 20, 2026
Vulnerability identifier: #VU119909
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-43511
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WebKitGTK+
WPE WebKit
WebKitGTK+
WPE WebKit
Software vendor:
WebKitGTK
WebKitGTK
Description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a use-after-free error in WebKit Web Inspector. A remote attacker can trick the victim into visiting a specially crafted website and perform a denial of service attack.
Remediation
Install update from vendor's website.