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CVE-2025-13502

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

Published: Nov 25, 2025Updated: Apr 20, 2026 Sources: CVE List NVD BDUCWE-125
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.5%
Top 62.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
WebKitGTKСообщество свободного программного обеспечения
LibraryLibrary
OSS Libraries / generic-library
WPE WebKitСообщество свободного программного обеспечения
LibraryLibrary
Operating Systems
webkitgtkThe WebKitGTK Team
Mixed
OSS Libraries / generic-library
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
On-premOS
Operating Systems / linux-distro
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
the webkitgtk teamoss-projectOSS Libraries
red hatcommercialUSOperating Systemsaka red hat
and 16 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://webkitgtk.org/security/WSA-2025-0009.html
webkitgtk.org
https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18
wiki.astralinux.ru
https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17
wiki.astralinux.ru
and 15 more references View all →

Timeline

Published
Nov 25, 2025
Last Updated
Apr 20, 2026

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