Red Hat Security Advisory: xorg-x11-server security update
X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. 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-2025:19434 addresses three vulnerabilities in the xorg-x11-server package for Red Hat Enterprise Linux 8. CVE-2025-62229 is a use-after-free vulnerability in the XPresentNotify structure creation within xmayland. CVE-2025-62230 is a use-after-free vulnerability in the Xkb client resource removal in xwayland. CVE-2025-62231 is a value overflow vulnerability in the XkbSetCompatMap function in xmayland. These vulnerabilities could potentially lead to memory corruption issues. The advisory rates the security impact as Moderate and provides updated packages to remediate these flaws.
Potential Impact
The vulnerabilities involve use-after-free and value overflow conditions in critical components of the X.Org server, which could lead to memory corruption. Such issues may cause application crashes or potentially allow an attacker to execute arbitrary code or escalate privileges if exploited. However, the advisory rates the overall impact as Moderate and there are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:19434 and the referenced update instructions at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: xorg-x11-server security update
Description
X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. 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-serverRun 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-2025:19434 addresses three vulnerabilities in the xorg-x11-server package for Red Hat Enterprise Linux 8. CVE-2025-62229 is a use-after-free vulnerability in the XPresentNotify structure creation within xmayland. CVE-2025-62230 is a use-after-free vulnerability in the Xkb client resource removal in xwayland. CVE-2025-62231 is a value overflow vulnerability in the XkbSetCompatMap function in xmayland. These vulnerabilities could potentially lead to memory corruption issues. The advisory rates the security impact as Moderate and provides updated packages to remediate these flaws.
Potential Impact
The vulnerabilities involve use-after-free and value overflow conditions in critical components of the X.Org server, which could lead to memory corruption. Such issues may cause application crashes or potentially allow an attacker to execute arbitrary code or escalate privileges if exploited. However, the advisory rates the overall impact as Moderate and there are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:19434 and the referenced update instructions at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:19434
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
Threat ID: 6a3da1df4853345fc182b3f5
Added to database: 06/25/2026, 21:47:11 UTC
Last enriched: 07/12/2026, 10:54:56 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 83
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