904 matches found
CVE-2026-34003 Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access
A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...
PT-2026-46938
Name of the Vulnerable Software and Affected Versions X.Org X server affected versions not specified Xwayland affected versions not specified Description A stack-based buffer overflow exists in the X.Org X server and Xwayland. The issue occurs because the CheckKeyTypes function fails to verify or...
Unity Linux 20.1070e Security Update: xorg-x11-server (UTSA-2026-005920)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005920 advisory. A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap- buffer overflow may lead to a privilege escalation vulnerabilit...
MiracleLinux 7 : tigervnc-1.8.0-25.el7, xorg-x11-server-1.20.4-23.el7 (AXSA:2023-5250:02)
The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-5250:02 advisory. xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability CVE-2023-1393 Tenable has extracted the preceding...
Moderate: Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severit...
xorg: xwayland: Use-after-free in Xkb client resource removal
A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...
xorg: xwayland: Use-after-free in Xkb client resource removal
A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...
xorg: xmayland: Value overflow in XkbSetCompatMap()
A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...
xorg: xwayland: Use-after-free in Xkb client resource removal
A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...
Alibaba Cloud Linux 3 : 0169: xorg-x11-server (ALINUX3-SA-2025:0169)
The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2025:0169 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2025-62229: A flaw was found in the...
RLSA-2025:19434 Moderate: xorg-x11-server security update
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. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland:...
xorg: xwayland: Use-after-free in Xkb client resource removal
A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...
xorg: xmayland: Value overflow in XkbSetCompatMap()
A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...
CVE-2025-62231 Xorg: xmayland: value overflow in xkbsetcompatmap()
A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...
X.Org Server XkbRemoveResourceClient Use-After-Free Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of resourc...
PT-2025-51512
Уязвимость функции present create notifies реализации протокола Wayland для X.Org XWayland и реализации сервера X Window System X.Org Server связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю выполнить произвольный код или вызвать отказ в...
PT-2025-51510
Уязвимость функции XkbSetCompatMap реализации протокола Wayland для X.Org XWayland и реализации сервера X Window System X.Org Server связана с целочисленным переполнением. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...
PT-2025-44230
Name of the Vulnerable Software and Affected Versions X.Org Server affected versions not specified Description A flaw exists in the X Keyboard Xkb extension of the X.Org X server. Improper bounds checking within the XkbSetCompatMap function can lead to an unsigned short overflow when processing...
PT-2025-51511
Уязвимость функции XkbRemoveResourceClient реализации протокола Wayland для X.Org XWayland и реализации сервера X Window System X.Org Server связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...
