SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2026:1335-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1335-1 advisory. - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom...

openSUSE 15 Security Update : xwayland (SUSE-SU-2026:1329-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1329-1 advisory. - CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. -...

Security update for xorg-x11-server

This update for xorg-x11-server 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-SU-2026:1333-1 Security update for xorg-x11-server

This update for xorg-x11-server 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-SU-2026:1332-1 Security update for xorg-x11-server

This update for xorg-x11-server 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...

Security update for xorg-x11-server

This update for xorg-x11-server 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...

Security update for xorg-x11-server

This update for xorg-x11-server 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...

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 out-of-bounds rea...

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 out-of-bounds rea...

SUSE-SU-2026:1328-1 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...

CVE-2026-34000

A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the CheckSetGeom and XkbAddGeomKeyAlias functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server,...

UBUNTU-CVE-2026-33999

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

OESA-2026-1587 libX11 security update

Core X11 protocol client library. Security Fixes: A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a non-zero value of...

AIX : Multiple Vulnerabilities (IJ57231)

The version of AIX installed on the remote host is prior to APAR IJ57231. It is, therefore, affected by multiple vulnerabilities as referenced in the IJ57231 advisory. - A flaw was identified in the X.Org X server's X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap...

Security Bulletin: AIX Xorg X Server is vulnerable to memory corruption or a denial of service (CVE-2025-62230, CVE-2025-62231)

Summary Updated Feb 24 2026: New iFix for 7.3 TL3 SP2 provided with correct fileset prereqs. Updated the affected fileset levels to show that 7.3 TL3 SP2 is vulnerable. Vulnerabilities in Xorg X Server could cause a memory corruption or denial of service CVE-2025-62230, CVE-2025-62231...

AIX : Multiple Vulnerabilities (IJ57232)

The version of AIX installed on the remote host is prior to APAR IJ57232. It is, therefore, affected by multiple vulnerabilities as referenced in the IJ57232 advisory. - A flaw was identified in the X.Org X server's X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap...

AIX Xorg X Server is vulnerable to memory corruption or a denial of service (CVE-2025-62230 CVE-2025-62231)

IBM SECURITY ADVISORY First Issued: Thu Feb 19 16:07:09 CST 2026 |Updated: Tue Feb 24 10:50:50 CST 2026 |Update: New iFix for 7.3 TL3 SP2 provided with correct fileset prereqs. | Updated the affected fileset levels to show that 7.3 TL3 SP2 is | vulnerable. The most recent version of this document...

OPENSUSE-SU-2026:20198-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2025-62229: Fixed use-after-free in XPresentNotify structures creation bsc1251958. - CVE-2025-62230: Fixed use-after-free in Xkb client resource removal bsc1251959. - CVE-2025-62231: Fixed value overflow in Xkb extension...

MiracleLinux 9 : xorg-x11-server-1.20.11-32.el9_6 (AXSA:2025-11052:08)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11052:08 advisory. X.Org X11 X server CVE-2025-62229 A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper...

MiracleLinux 7 : xorg-x11-server-1.20.4-18.el7 (AXSA:2022-3654:02)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-3654:02 advisory. xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access CVE-2022-2319 xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo...