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
The advisory covers three security flaws in xorg-x11-server-Xwayland: a use-after-free in XPresentNotify structure creation (CVE-2025-62229), a use-after-free in Xkb client resource removal (CVE-2025-62230), and a value overflow in XkbSetCompatMap() (CVE-2025-62231). These vulnerabilities affect the Xwayland server component used to run X clients on Wayland. Red Hat has released updated packages for Red Hat Enterprise Linux 10 and its extended update support versions to fix these issues. The vulnerabilities are rated as moderate impact, and no known exploits in the wild have been reported. Detailed CVSS scores are not provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could lead to memory corruption issues such as use-after-free and integer overflow, potentially causing crashes or other unintended behavior in the Xwayland server. The advisory rates the impact as moderate, indicating that while these issues pose a security risk, they are not considered critical or high severity. No known active exploitation has been reported.
Mitigation Recommendations
Red Hat has released security updates for xorg-x11-server-Xwayland packages in Red Hat Enterprise Linux 10 and its variants to address these vulnerabilities. Users should apply the available updates as described in the Red Hat advisory (RHSA-2025:21035) and the referenced update article (https://access.redhat.com/articles/11258). Since official fixes are available, applying these patches is the recommended mitigation. No additional vendor guidance indicates that no action is required.
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
The advisory covers three security flaws in xorg-x11-server-Xwayland: a use-after-free in XPresentNotify structure creation (CVE-2025-62229), a use-after-free in Xkb client resource removal (CVE-2025-62230), and a value overflow in XkbSetCompatMap() (CVE-2025-62231). These vulnerabilities affect the Xwayland server component used to run X clients on Wayland. Red Hat has released updated packages for Red Hat Enterprise Linux 10 and its extended update support versions to fix these issues. The vulnerabilities are rated as moderate impact, and no known exploits in the wild have been reported. Detailed CVSS scores are not provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could lead to memory corruption issues such as use-after-free and integer overflow, potentially causing crashes or other unintended behavior in the Xwayland server. The advisory rates the impact as moderate, indicating that while these issues pose a security risk, they are not considered critical or high severity. No known active exploitation has been reported.
Mitigation Recommendations
Red Hat has released security updates for xorg-x11-server-Xwayland packages in Red Hat Enterprise Linux 10 and its variants to address these vulnerabilities. Users should apply the available updates as described in the Red Hat advisory (RHSA-2025:21035) and the referenced update article (https://access.redhat.com/articles/11258). Since official fixes are available, applying these patches is the recommended mitigation. No additional vendor guidance indicates that no action is required.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:21035
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
- Cvss Version
- null
Threat ID: 6a3da1dd4853345fc182a215
Added to database: 06/25/2026, 21:47:09 UTC
Last enriched: 06/25/2026, 22:23:01 UTC
Last updated: 07/02/2026, 05:51:10 UTC
Views: 6
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