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 Red Hat security advisory RHSA-2025:19435 addresses three vulnerabilities in xorg-x11-server-Xwayland: 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 issues affect the Xwayland server component that enables running X clients under Wayland. The advisory provides updated packages for Red Hat Enterprise Linux 10 and its Extended Update Support versions across multiple architectures. No CVSS scores are provided in the advisory, but the vendor rates the impact as moderate.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which could potentially lead to memory corruption or instability in the Xwayland server. Such flaws may be exploitable to cause denial of service or other unintended behavior. However, no known exploits in the wild have been reported. The vendor classifies the security impact as moderate.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10 and related products should apply the updates as described in Red Hat advisory RHSA-2025:19435. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated by the vendor.
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 Red Hat security advisory RHSA-2025:19435 addresses three vulnerabilities in xorg-x11-server-Xwayland: 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 issues affect the Xwayland server component that enables running X clients under Wayland. The advisory provides updated packages for Red Hat Enterprise Linux 10 and its Extended Update Support versions across multiple architectures. No CVSS scores are provided in the advisory, but the vendor rates the impact as moderate.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which could potentially lead to memory corruption or instability in the Xwayland server. Such flaws may be exploitable to cause denial of service or other unintended behavior. However, no known exploits in the wild have been reported. The vendor classifies the security impact as moderate.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10 and related products should apply the updates as described in Red Hat advisory RHSA-2025:19435. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:19435
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
- Cvss Version
- null
Threat ID: 6a3da1df4853345fc182b3ed
Added to database: 06/25/2026, 21:47:11 UTC
Last enriched: 06/25/2026, 22:25:49 UTC
Last updated: 07/02/2026, 12:51:09 UTC
Views: 6
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