CVE-2025-13502: Out-of-bounds Read in The WebKitGTK Team webkitgtk
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.
AI Analysis
Technical Summary
An out-of-bounds read and integer underflow vulnerability exists in WebKitGTK and WPE WebKit, which can be exploited by sending a crafted payload to the GLib remote inspector server. This leads to a crash of the UIProcess, causing a denial of service. The vulnerability is tracked as CVE-2025-13502 with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Red Hat has released security updates for webkit2gtk3 packages in Red Hat Enterprise Linux 8 and 9 to address this issue. The vendor advisories confirm the availability of patches and provide instructions for applying them.
Potential Impact
Successful exploitation results in a denial of service due to a crash of the UIProcess in WebKitGTK/WPE WebKit. There is no impact on confidentiality or integrity. The vulnerability can be triggered remotely without privileges or user interaction, making it a significant availability risk for affected systems running vulnerable versions.
Mitigation Recommendations
Official patches are available from Red Hat for affected webkit2gtk3 packages in Red Hat Enterprise Linux 8 and 9. Users should apply the security updates as described in the Red Hat advisories RHSA-2025:22789 and RHSA-2025:22790. No additional mitigation is required beyond applying these official fixes.
CVE-2025-13502: Out-of-bounds Read in The WebKitGTK Team webkitgtk
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 v3.1
Score 7.5high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An out-of-bounds read and integer underflow vulnerability exists in WebKitGTK and WPE WebKit, which can be exploited by sending a crafted payload to the GLib remote inspector server. This leads to a crash of the UIProcess, causing a denial of service. The vulnerability is tracked as CVE-2025-13502 with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Red Hat has released security updates for webkit2gtk3 packages in Red Hat Enterprise Linux 8 and 9 to address this issue. The vendor advisories confirm the availability of patches and provide instructions for applying them.
Potential Impact
Successful exploitation results in a denial of service due to a crash of the UIProcess in WebKitGTK/WPE WebKit. There is no impact on confidentiality or integrity. The vulnerability can be triggered remotely without privileges or user interaction, making it a significant availability risk for affected systems running vulnerable versions.
Mitigation Recommendations
Official patches are available from Red Hat for affected webkit2gtk3 packages in Red Hat Enterprise Linux 8 and 9. Users should apply the security updates as described in the Red Hat advisories RHSA-2025:22789 and RHSA-2025:22790. No additional mitigation is required beyond applying these official fixes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2025-11-21T07:48:53.245Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/errata/RHSA-2025:22789","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:22790","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23110","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23433","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23434","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23451","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23452","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23583","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23591","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23742","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2025:23743","vendor":"Red Hat"},{"url":"https://access.redhat.com/security/cve/CVE-2025-13502","vendor":"Red Hat"}]
Threat ID: 69256893690aeb35a2ca49fc
Added to database: 11/25/2025, 08:28:03 UTC
Last enriched: 07/02/2026, 22:19:35 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 303
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