Red Hat Security Advisory: tigervnc 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-2025:19432 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 vulnerabilities affect Red Hat Enterprise Linux 8 across multiple architectures. The issues could lead to memory corruption due to improper handling of resources and value overflow. Red Hat has released updated packages to fix these vulnerabilities.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which can cause memory corruption. Such issues may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. The advisory rates the security impact as moderate, but the presence of use-after-free and overflow issues elevates the concern to high severity.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply these official patches as detailed in Red Hat advisory RHSA-2025:19432. No additional mitigation steps are indicated beyond applying the update.
Red Hat Security Advisory: tigervnc 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-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-2025:19432 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 vulnerabilities affect Red Hat Enterprise Linux 8 across multiple architectures. The issues could lead to memory corruption due to improper handling of resources and value overflow. Red Hat has released updated packages to fix these vulnerabilities.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which can cause memory corruption. Such issues may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. The advisory rates the security impact as moderate, but the presence of use-after-free and overflow issues elevates the concern to high severity.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply these official patches as detailed in Red Hat advisory RHSA-2025:19432. No additional mitigation steps are indicated beyond applying the 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-2025:22742
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
Threat ID: 6a3da1da4853345fc1828c68
Added to database: 06/25/2026, 21:47:06 UTC
Last enriched: 07/12/2026, 10:55:13 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 38
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