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

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Summary

CVECVE-2025-13502
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-25 08:15:51 UTC
Updated2026-04-20 16:16:40 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-125 | CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA The WebKitGTK Team Webkitgtk affected 2.50.2 semver Not specified
CNA Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support unaffected 0:2.50.3-2.el7_9 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 0:2.50.3-1.el8_10 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support unaffected 0:2.50.3-2.el8_2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support unaffected 0:2.50.3-2.el8_4 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On unaffected 0:2.50.3-2.el8_4 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support unaffected 0:2.50.3-2.el8_6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service unaffected 0:2.50.3-2.el8_6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Update Services For SAP Solutions unaffected 0:2.50.3-2.el8_6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service unaffected 0:2.50.3-2.el8_8 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.8 Update Services For SAP Solutions unaffected 0:2.50.3-2.el8_8 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:2.50.3-1.el9_7 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.0 Update Services For SAP Solutions unaffected 0:2.50.3-1.el9_0 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions unaffected 0:2.50.3-1.el9_2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support unaffected 0:2.50.3-1.el9_4 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support unaffected 0:2.50.3-1.el9_6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 6 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 7 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2025:23452 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23434 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:22790 [email protected] access.redhat.com
access.redhat.com/security/cve/CVE-2025-13502 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23583 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:22789 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23451 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23110 [email protected] access.redhat.com
bugs.webkit.org/show_bug.cgi [email protected] bugs.webkit.org
access.redhat.com/errata/RHSA-2025:23433 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23591 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2025:23743 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2025:23742 [email protected] access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Aisle Research and Stanislav Fort for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-11-21T07:47:33.751ZReported to Red Hat.
CNA2025-11-25T07:59:40.140ZMade public.
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