Important: Red Hat Security Advisory: tigervnc security update

An update for tigervnc is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RockyLinux 9 : tigervnc (RLSA-2026:19342)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:19342 advisory. xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling CVE-2026-33999 xwayland: xorg: X.Org X server:...

xwayland -- Multiple vulnerabilities

X.Org project reports: Multiple issues have been found in the X server and Xwayland implementations published by X.Org for which we are releasing security fixes for in xorg-server-21.1.22 and xwayland-24.1.10...

MiracleLinux 8 : userspace graphics, xorg-x11, and mesa, xorg-x11-server-1.20.10-1.el8 (AXSA:2021-2100:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2100:01 advisory. xorg-x11-server: Out-of-bounds access in XkbSetNames function CVE-2020-14345 xorg-x11-server: Integer underflow in the X input extension protocol...

TencentOS Server 4: tigervnc (TSSA-2025:0761)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0761 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : X.Org X Server vulnerabilities (USN-7573-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7573-1 advisory. Nils Emmerich discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these...

USN-6555-2: X.Org X Server vulnerabilities

USN-6555-1 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 XKB button actions. An attacker could possibly use this iss...

MGASA-2014-0532 Updated x11-server packages fix security vulnerabilities

Ilja van Sprundel of IOActive discovered several security issues in the X.org X server, which may lead to privilege escalation or denial of service CVE-2014-8091, CVE-2014-8092, CVE-2014-8093, CVE-2014-8094, CVE-2014-8095, CVE-2014-8096, CVE-2014-8097, CVE-2014-8098, CVE-2014-8099, CVE-2014-8100,...

CVE-2013-1981

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 vectors related to the 1 XQueryFont, 2 XF86BigfontQueryFont, 3 XListFontsWithInfo, 4 XGetMotionEvents, 5 XListHosts, 6...

CVE-2008-1377

The 1 SProcRecordCreateContext and 2 SProcRecordRegisterClients functions in the Record extension and the 3 SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with...