Memory corruption in WPE WebKit and WebKitGTK+ - CVE-2025-43343

 

Memory corruption in WPE WebKit and WebKitGTK+ - CVE-2025-43343

Published: September 16, 2025 / Updated: October 14, 2025


Vulnerability identifier: #VU115324
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:U/U:Clear
CVE-ID: CVE-2025-43343
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WebKitGTK
Affected software:
WPE WebKit
WebKitGTK+

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and crash the browser. 


How to mitigate CVE-2025-43343

Install update from vendor's website.

Sources