{"schema_version": "1.7.0", "id": "RLSA-2025:19909", "modified": "2026-05-21T16:32:14.825988Z", "published": "2026-05-21T16:24:56.966088Z", "upstream": ["CVE-2025-62229", "CVE-2025-62230", "CVE-2025-62231"], "summary": "Important: tigervnc security update", "details": "Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.\n\nSecurity Fix(es):\n\n* xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229)\n\n* xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230)\n\n* xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "tigervnc", "purl": "pkg:rpm/rocky-linux/tigervnc?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.0-8.el8_10.rocky.0.1"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2025:19909"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402649"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402653"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402660"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}