CVE-2022-49737

In X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, aka a race condition. In particular, AttachDevice in dix/devices.c does not acquire an input...

[SECURITY] Fedora 42 Update: xorg-x11-server-21.1.16-1.fc42

X.Org X11 X server...

[SECURITY] Fedora 40 Update: xorg-x11-server-1.20.14-37.fc40

X.Org X11 X server...

[SECURITY] Fedora 40 Update: xorg-x11-server-Xwayland-24.1.6-1.fc40

Xwayland is an X server for running X clients under Wayland...

Ubuntu: Security Advisory (USN-7299-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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-7299-3: X.Org X Server regression

USN-7299-2 fix vulnerabilities in X.Org X Server. This fix caused regression in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update reverts it pending further investigation. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations...

USN-7299-2: X.Org X Server vulnerabilities

USN-7299-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issu...

Xorg: xwayland: buffer overflow in xkbvmodmasktext()

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Linux Distros Unpatched Vulnerability : CVE-2017-12185

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly...

Linux Distros Unpatched Vulnerability : CVE-2017-12180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execu...

Linux Distros Unpatched Vulnerability : CVE-2013-1981

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2017-10972

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Uninitialized data in endianness conversion in the XEvent handling of the X.Org X Server before 2017-06-19 allowed authenticated malicious users to access...

[SECURITY] Fedora 41 Update: xorg-x11-server-21.1.16-1.fc41

X.Org X11 X server...

[SECURITY] Fedora 41 Update: xorg-x11-server-Xwayland-24.1.6-1.fc41

Xwayland is an X server for running X clients under Wayland...

VulnCheck KEV: CVE-1999-0526

An X server's access control is disabled e.g. through an "xhost +" command and allows anyone to connect to the server...

Ubuntu: Security Advisory (USN-7299-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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-7299-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issues to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code...

UBUNTU-CVE-2025-26594

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : X.Org X Server vulnerabilities (USN-7299-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7299-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use...

X.Org X server, XWayland: Multiple Vulnerabilities

Background The X Window System is a graphical windowing system based on a client/server model. Description Multiple vulnerabilities have been discovered in X.Org X server and XWayland. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE...