CVE-2025-13502 — Out-of-bounds Read in Webkitgtk Team Webkitgtk

CWE-125 — Out-of-bounds ReadCWE-190 — Integer Overflow or Wraparound5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 70.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
THE Webkitgtk Team WebkitgtkDebian Webkit2gtkDebian Wpewebkit
Timeline
PublishedNov 25

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5the_webkitgtk_team/webkitgtk< 2.50.2
▶debiandebian/wpewebkit< webkit2gtk 2.50.2-1~deb12u1 (bookworm)
▶debiandebian/webkit2gtk< webkit2gtk 2.50.2-1~deb12u1 (bookworm)

🔴Vulnerability Details

2
GHSA
GHSA-r6gx-fcg6-8hhj: A flaw was found in WebKitGTK and WPE WebKit↗2025-11-25
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OSV
CVE-2025-13502: A flaw was found in WebKitGTK and WPE WebKit↗2025-11-25
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📋Vendor Advisories

2
Red Hat
webkit: WebKitGTK / WPE WebKit: Out-of-bounds read and integer underflow vulnerability leading to DoS↗2025-11-25
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Debian
CVE-2025-13502: webkit2gtk - A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-o...↗2025
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