PT-2025-7898

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A use-after-free flaw was found in the software. This issue occurs when a device is removed while still frozen, causing events queued for that device to remain after the device is...

X.Org和Xwayland 安全漏洞

X.Org is an open source free software from the X.Org Foundation.Xwayland is an open source communication protocol from Xwayland that specifies how a display server communicates with its clients. A security vulnerability exists in X.Org and Xwayland that stems from an inconsistency between the...

PT-2025-7895

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A buffer overflow flaw was found. The issue arises when the function XkbChangeTypesOfKey is called with a 0 group, which resizes the key symbols table to 0 but leaves the key actio...

PT-2025-7899

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A use-after-free flaw was found in the software. The issue occurs when changing an alarm, where the values of the change mask are evaluated one after the other. If one of the chang...

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...

PT-2025-7896

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description An out-of-bounds write flaw was found in the function GetBarrierDevice, which searches for the pointer device based on its device ID. If no matching device ID is found, the code...

PT-2025-7892

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A use-after-free flaw was found, where the root cursor is referenced as a global variable in the X server. If a client frees the root cursor, the internal reference points to freed...

PT-2025-7893

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A buffer overflow flaw was found in the code of the XkbVModMaskText function, which allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to tha...

xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability

A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org serv...

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...

GLSA-202411-08 : X.Org X server, XWayland: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202411-08 X.Org X server, XWayland: Multiple Vulnerabilities Multiple vulnerabilities have been discovered in X.Org X server and XWayland. Please review the CVE identifiers referenced below for details. Tenable has extracted the...

Important: tigervnc

Issue Overview: A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions wher...

Important: xorg-x11-server

Issue Overview: A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions wher...

Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2024-756)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-756 advisory. A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload,...

xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability

A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org serv...

ROS-20241112-05

A vulnerability in the XkbSetCompatMap function of the X Window System X.Org Server implementation is related to a buffer overflow in dynamic memory. buffer overflow in dynamic memory. Exploitation of the vulnerability could allow an attacker to escalate privileges...

MGASA-2024-0357 Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerability

Due to an improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially-crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org server is run with root privileges...

Moderate: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9. 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 severity rating, is available for each vulnerability...

xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice

A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a...

xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents

A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIGetSelectedEvents function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a...