xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation

A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo and ProcXkbGetDeviceInfo to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs...

xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c

A flaw was found in the xorg-x11-server package. A buffer overflow can occur in the GetCountedString function in xkb/xkb.c due to improper input validation, allowing for possible escalation of privileges, execution of arbitrary code, or a denial of service...

xorg-x11-server: XvdiSelectVideoNotify use-after-free

A vulnerability was found in X.Org. This flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This flaw can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding...

xorg-x11-server: XIChangeProperty out-of-bounds access

A vulnerability was found in X.Org. The issue occurs because the handler for the XIChangeProperty request has a length-validation issue, resulting in out-of-bounds memory reads and potential information disclosure. This flaw can lead to local privilege elevation on systems where the X server runs...

xorg-x11-server: XkbGetKbdByName use-after-free

A vulnerability was found in X.Org. This issue occurs because the XkbCopyNames function leaves a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests. This flaw can lead to local privilege elevation on systems where the X server runs...

Moderate: tigervnc security and bug fix update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

ALSA-2023:2257 Moderate: tigervnc security and bug fix update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

EulerOS 2.0 SP11 : xorg-x11-server (EulerOS-SA-2023-1775)

According to the versions of the xorg-x11-server package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory,...

Huawei EulerOS: Security Advisory for xorg-x11-server (EulerOS-SA-2023-1775)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for xorg-x11-server (EulerOS-SA-2023-1699)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS Virtualization 3.0.2.0 : xorg-x11-server (EulerOS-SA-2023-1699)

According to the versions of the xorg-x11-server packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due ...

OESA-2023-1239 xorg-x11-server security update

X.Org X11 X server. Security Fixes: A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structur...

Advisory ROSA-SA-2023-2153

Software: xorg-x11-server 1.20.4 OS: rosa-server79 packageevrstring: 1.20.4-23 CVE-ID: CVE-2023-1393 BDU-ID: None CVE-Crit: HIGH CVE-DESC: Use-After-Free can result in elevated local privileges. If a client explicitly destroys a linker overlay window also known as COW, Xserver will leave a dangli...

Fedora: Security Advisory for xorg-x11-server-Xwayland (FEDORA-2023-239bae4b57)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory for xorg-x11-server (FEDORA-2023-fe18ae3e85)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security Bulletin: Vulnerability in xorg-x11-libXdmcp affects IBM BladeCenter Advanced Management Module (AMM)

Summary IBM BladeCenter Advanced Management Module AMM has addressed the following vulnerability in xorg-x11-libXdmcp. Vulnerability Details Summary IBM BladeCenter Advanced Management Module AMM has addressed the following vulnerability in xorg-x11-libXdmcp. Vulnerability Details CVEID:...

NewStart CGSL CORE 5.05 / MAIN 5.05 : xorg-x11-drv-ati Multiple Vulnerabilities (NS-SA-2023-0026)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has xorg-x11-drv-ati packages installed that are affected by multiple vulnerabilities: - An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first...

Security fix for the ALT Linux 10 package xorg-server version 2:1.20.14-alt8

2:1.20.14-alt8 built April 5, 2023 Valery Inozemtsev in task 317705 March 29, 2023 Valery Inozemtsev - cherry pick upstream fixes for CVE-2023-1393...

xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability

A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window aka COW, where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free...

xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability

A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window aka COW, where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free...