Update to xserver 21.1.18, contains an additional fix for CVE-2025-49176 Update to xserver 21.1.17, CVE fix for CVE-2025-49175, CVE-2025-49176, CVE-2025-49177, CVE-2025-49178, CVE-2025-49179, CVE-2025-49180

Source: Fedora 42: FEDORA-2025-e65a55c3d0 critical: xorg-x11-server fix