Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229) * xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230) * xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers three security vulnerabilities in the xorg-x11-server-Xwayland package for Red Hat Enterprise Linux 9: CVE-2025-62229 (use-after-free in XPresentNotify structure creation), CVE-2025-62230 (use-after-free in Xkb client resource removal), and CVE-2025-62231 (value overflow in XkbSetCompatMap()). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated packages to address these flaws as part of RHSA-2025:20960.
Potential Impact
The vulnerabilities involve use-after-free and value overflow conditions that could lead to memory corruption within the Xwayland server. While the advisory rates the impact as moderate, no known exploits in the wild have been reported. Successful exploitation could affect the stability or security of the Xwayland service on affected systems.
Mitigation Recommendations
Red Hat has released an official security update for xorg-x11-server-Xwayland in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the update as detailed in Red Hat advisory RHSA-2025:20960. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is indicated by the vendor advisory.
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Description
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229) * xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230) * xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
pkg:rpm/redhat/xorg-x11-server-XwaylandRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers three security vulnerabilities in the xorg-x11-server-Xwayland package for Red Hat Enterprise Linux 9: CVE-2025-62229 (use-after-free in XPresentNotify structure creation), CVE-2025-62230 (use-after-free in Xkb client resource removal), and CVE-2025-62231 (value overflow in XkbSetCompatMap()). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated packages to address these flaws as part of RHSA-2025:20960.
Potential Impact
The vulnerabilities involve use-after-free and value overflow conditions that could lead to memory corruption within the Xwayland server. While the advisory rates the impact as moderate, no known exploits in the wild have been reported. Successful exploitation could affect the stability or security of the Xwayland service on affected systems.
Mitigation Recommendations
Red Hat has released an official security update for xorg-x11-server-Xwayland in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the update as detailed in Red Hat advisory RHSA-2025:20960. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:20960
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
Threat ID: 6a3da1dd4853345fc182a23c
Added to database: 06/25/2026, 21:47:09 UTC
Last enriched: 07/12/2026, 10:54:02 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 36
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