#VU117963 Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2025-43438

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Main Vulnerability Database Vulnerabilities #VU117963

#VU117963 Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2025-43438

Published: November 4, 2025


Vulnerability identifier: #VU117963
Vulnerability risk: Medium
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:Green
CVE-ID: CVE-2025-43438
CWE-ID: CWE-416
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 perform a denial of service attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.


Remediation

Install updates from vendor's website.

External links