Type confusion in WebKitGTK+ and WPE WebKit - CVE-2025-43541
Published: December 13, 2025 / Updated: January 9, 2026
Vulnerability identifier: #VU119904
CSH Severity: Low
CVSS v4.0: 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:P/U:Clear
CVE-ID: CVE-2025-43541
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: WebKitGTK
Affected software:
WebKitGTK+
WPE WebKit
WebKitGTK+
WPE WebKit
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a type confusion error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and cause Safari to crash.
How to mitigate CVE-2025-43541
Install update from vendor's website.