CVE-2025-13502 HIGH

CVE-2025-13502: Webkit: webkitgtk / wpe webkit: out-of-bounds read and integer underflow vulnerability leading to dos

Vendor The Webkitgtk Team
Product webkitgtk
Weakness CWE-125
Published November 25, 2025
Last update April 20, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.

Key dates

02Disclosure timeline

November 25, 2025 CVE published
April 20, 2026 Record updated