xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

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...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

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...

Astra Linux - уязвимость в xorg-server

A vulnerability was discovered in X.Org. This security flaw arises because the XkbCopyNames function left a dangling pointer pointing to freed memory, allowing for out-of-bounds memory access during subsequent XkbGetKbdByName requests. This issue can lead to local privileges escalation on systems...

OESA-2026-2139 xorg-x11-server security update

X.Org X11 X server Security Fixes: 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 violation...

Fedora 44 : xrdp (2026-ad9e109ad8)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ad9e109ad8 advisory. Security fixes - CVE-2026-32105 - CVE-2026-32107 - CVE-2026-32623 - CVE-2026-32624 - CVE-2026-33145 - CVE-2026-33516 - CVE-2026-33689 - CVE-2026-355...

X.Org X Server 数字错误漏洞

X.Org X Server is an X Window system display server developed by the X.Org Foundation. X.Org X Server has a numerical error vulnerability, which stems from integer underflow in the XKB compatibility mapping process. This vulnerability may allow attackers to trigger a buffer overflow, leading to...

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-2026:1330-1 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...

Moderate: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal CVE-2025-62230 xorg: xmayland: Value overflow in XkbSetCompatMap...

xorg-server buffer error vulnerability

xorg-x11-server is an X Window System display server from the X.org Foundation. A security vulnerability exists in xorg-server versions prior to 21.1.10, xwayland versions prior to 23.2.3, which stems from a memory read/write overrun that may be caused by querying or changing an XKB button...

DEBIAN-CVE-2022-3551

A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability...

Keyboards Fail to Map in ICA Sessions From Non-Windows Receivers such as Mac, Linux and HTML5

After an in-place upgrade of Remote PC VDA's from version 5.6.400 to 7.6.300 keyboards would fail to map in ICA sessions from non-Windows Receivers such as Mac, Linux, and HTML5...

SUSE-SU-2017:0644-1 Security update for xorg-x11-libX11

This update for xorg-x11-libX11 fixes the following issues: - a regression introduced by the security fix for CVE-2013-1997 bnc824294. Keyboard mappings for special characters on Non-English keyboards might have been broken. bnc1019642...

libX11: Multiple integer overflows leading to heap-based buffer-overflows

Multiple integer overflows in X.org libX11 1.5.99.901 1.6 RC1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the 1 XQueryFont, 2 XF86BigfontQueryFont, 3 XListFontsWithInfo, 4 XGetMotionEvents, 5 XListHosts, 6...

DEBIAN-CVE-2013-1981

Multiple integer overflows in X.org libX11 1.5.99.901 1.6 RC1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the 1 XQueryFont, 2 XF86BigfontQueryFont, 3 XListFontsWithInfo, 4 XGetMotionEvents, 5 XListHosts, 6...

Linux kernel console keyboard mapping commands execution

User can set keyboard mapping which will impact next users on this console...