{"schema_version": "1.7.0", "id": "RLSA-2025:9303", "modified": "2025-10-04T00:23:30.064867Z", "published": "2025-10-04T00:11:30.916420Z", "upstream": ["CVE-2025-49175", "CVE-2025-49176", "CVE-2025-49178", "CVE-2025-49179", "CVE-2025-49180"], "summary": "Important: xorg-x11-server and xorg-x11-server-Xwayland security update", "details": "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.\n\nSecurity Fix(es):\n\n* xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Out-of-Bounds Read in X Rendering Extension Animated Cursors (CVE-2025-49175)\n\n* xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in Big Requests Extension (CVE-2025-49176)\n\n* xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Unprocessed Client Request Due to Bytes to Ignore (CVE-2025-49178)\n\n* xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer overflow in X Record extension (CVE-2025-49179)\n\n* xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in X Resize, Rotate and Reflect (RandR) Extension (CVE-2025-49180)\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:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "xorg-x11-server", "purl": "pkg:rpm/rocky-linux/xorg-x11-server?distro=rocky-linux-9-6&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.20.11-31.el9_6"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:9", "name": "xorg-x11-server-Xwayland", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-Xwayland?distro=rocky-linux-9-6&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:23.2.7-4.el9_6"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2025:9303"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369947"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369954"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369977"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369978"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369981"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}