Oracle Linux 9 : xorg-x11-server-Xwayland (ELSA-2026-26590)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-26590 advisory. - CVE fix for: CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, CVE-2026-50263 Resolves...

TencentOS Server 4: tigervnc (TSSA-2026:0296)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0296 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerabilities

XKB Integer Underflow in XkbSetCompatMap. CVE-2026-33999 XKB Out-of-bounds Read in CheckSetGeom. CVE-2026-34000 XSYNC Use-after-free in miSyncTriggerFence. CVE-2026-34001 XKB Out-of-bounds read in CheckModifierMap. CVE-2026-34002 XKB Buffer overflow in CheckKeyTypes. CVE-2026-34003...

CVE-2026-34001 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-4

CVE-2026-34001 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-4. A patched version of the package is available...

MiracleLinux 8 : xorg-x11-server-Xwayland-21.1.3-20.el8_10 (AXSA:2026-541:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-541:01 advisory. xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling CVE-2026-33999 xorg: xwayland: X.Org X...

Important: tigervnc

Issue Overview: XKB Integer Underflow in XkbSetCompatMap CVE-2026-33999 XSYNC Use-after-free in miSyncTriggerFence CVE-2026-34001 XKB Out-of-bounds read in CheckModifierMap CVE-2026-34002 XKB Buffer overflow in CheckKeyTypes CVE-2026-34003 Affected Packages: tigervnc Note: This advisory is...

OPENSUSE-SU-2026:20560-1 Security update for xwayland

This update for xwayland fixes the following issues: - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC Use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...

SUSE CVE-2026-34001

A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially...