Slackware: Security Advisory (SSA:2025-169-02)

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...

Ubuntu: Security Advisory (USN-7573-2)

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...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-17slack15.0.txz: Rebuilt. Check for another possible integer overflow once we get a complete xReq with...

USN-7573-2 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities

USN-7573-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Nils Emmerich discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker coul...

Slackware Linux 15.0 / current xorg-server Vulnerability (SSA:2025-169-02)

The version of xorg-server installed on the remote host is prior to 1.20.14 / 21.1.18 / 21.1.4 / 24.1.8. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-169-02 advisory. New xorg-server packages are available for Slackware 15.0 and -current to fix a security issue...

Ubuntu: Security Advisory (USN-7573-1)

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...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-16slack15.0.txz: Rebuilt. This update fixes security issues: Out-of-bounds access in X Rendering extensi...

AZL-64193 CVE-2025-49179 affecting package xorg-x11-server 1.20.10-6

A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks...

CVE-2025-49179 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension

A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks...

CVE-2025-49176

CVE-2025-49176 affects the Xorg X Server (xorg-x11-server) Big Requests extension, where the request length is multiplied by 4 before the size check, potentially causing an integer overflow and bypassing the limit. Connected advisories confirm affected platforms (Linux vendors) and show patches/u...

USN-7573-1 xorg-server, xwayland vulnerabilities

Nils Emmerich 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, obtain sensitive information, or possibly execute arbitrary code...

CVE-2025-49176

A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check...

CVE-2025-49178

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service...

CVE-2025-49180

A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate...

CVE-2025-49179

A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks...

Slackware Linux 15.0 / current xorg-server Multiple Vulnerabilities (SSA:2025-168-01)

The version of xorg-server installed on the remote host is prior to 1.20.14 / 21.1.17 / 21.1.4 / 24.1.7. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-168-01 advisory. New xorg-server packages are available for Slackware 15.0 and -current to fix security...

CVE-2025-49175

A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash...

CVE-2025-49177

A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the X server’s request handling. A non-zero value for “bytes to ignore” in a client’s request can cause the server to skip processing another client’s request, potentially leading to a denial of service...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the Big Requests extension. The length of the request is multiplied by 4 before checking against the maximum allowed size, which may lead to an integer overflow and bypassing the size check...