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 addresses 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 issued updated packages to fix these vulnerabilities as part of their security update 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. Such memory corruption may cause crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. The overall security impact is rated as moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 9 and related variants should apply the security update RHSA-2025:20960 promptly. For detailed instructions on applying the update, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
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 addresses 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 issued updated packages to fix these vulnerabilities as part of their security update 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. Such memory corruption may cause crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. The overall security impact is rated as moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 9 and related variants should apply the security update RHSA-2025:20960 promptly. For detailed instructions on applying the update, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
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"]
- Cvss Version
- null
Threat ID: 6a3da1dd4853345fc182a23c
Added to database: 06/25/2026, 21:47:09 UTC
Last enriched: 06/25/2026, 22:23:34 UTC
Last updated: 07/02/2026, 13:51:09 UTC
Views: 8
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