DSA-5534-1 xorg-server - security update

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xorg-x11-server Resource Management Error Vulnerability

xorg-x11-server is an X Window System display server from the X.org Foundation. A security vulnerability exists in xorg-x11-server-Xvfb, which stems from the presence of a memory reuse after release issue...

FreeBSD : xorg-server -- Multiple vulnerabilities (9e2fdfc7-e237-4393-9fa5-2d50908c66b3)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 9e2fdfc7-e237-4393-9fa5-2d50908c66b3 advisory. - The X.Org project reports: When prepending values to an existing property an invalid offset...

DLA-3631-1 xorg-server - security update

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Ubuntu: Security Advisory (USN-5193-3)

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...

USN-5193-3 xorg-server-hwe-16.04 vulnerabilities

USN-5193-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash,...

xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c

A flaw was found in the xorg-x11-server package. The ProcXkbGetKbdByName function in xkb/xkb.c does not release allocated data when an error is encountered, allowing for a memory leak...

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

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

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...

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...

xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c

A flaw was found in the xorg-x11-server package. The ProcXkbGetKbdByName function in xkb/xkb.c does not release allocated data when an error is encountered, allowing for a memory leak...

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

A vulnerability was found in X.Org. This issue occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This flaw can lead to local privilege elevation on systems where the X server runs privileged and remote code...

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: 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...

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...

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...

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...