xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat

An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests multiple DRI2BufferBackLeft attachments and one DRI2BufferFrontLeft can trigger an out-of-bounds heap write. This may be used to crash the server, or for...

RHEL 7 : tigervnc (RHSA-2026:46473)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:46473 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

ALSA-2026:28923 Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

RLSA-2026:26590 Important: xorg-x11-server-Xwayland security, bug fix, and enhancement update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch CVE-2026-50256 xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server:...

RLSA-2026:26610 Important: xorg-x11-server security, bug fix, and enhancement update

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution du...

RLSA-2026:26562 Important: xorg-x11-server-Xwayland security, bug fix, and enhancement update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch CVE-2026-50256 xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server:...

ALSA-2026:26590 Important: xorg-x11-server-Xwayland security, bug fix, and enhancement update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch CVE-2026-50256 xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server:...

Important: xorg-x11-server security, bug fix, and enhancement update

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution du...

UBUNTU-CVE-2026-50264

An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests multiple DRI2BufferBackLeft attachments and one DRI2BufferFrontLeft can trigger an out-of-bounds heap write. This may be used to crash the server, or for...

SUSE CVE-2023-45913

Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId. This vulnerability is triggered when the X11 server sends an DRI2BufferSwapComplete event unexpectedly when the application is using DRI3. NOTE: this is disputed because there is ...

CVE-2023-45913

Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId. This vulnerability is triggered when the X11 server sends an DRI2BufferSwapComplete event unexpectedly when the application is using DRI3. NOTE: this is disputed because there is ...

SUSE CVE-2014-8094

Integer overflow in the ProcDRI2GetBuffers function in the DRI2 extension in X.Org Server aka xserver and xorg-server 1.7.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service crash or possibly execute arbitrary code via a crafted request, which triggers an...

Oracle Linux 6 : tigervnc (ELSA-2017-0630)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-0630 advisory. 1.1.0-24 - Proper global init/deinit of GnuTLS Resolves: bz1418946 1.1.0-23 - Fix buffer overflow in FullFramePixelBuffer::fillRect Resolves: bz1416289...

tigervnc security and bug fix update

1.1.0-24 - Proper global init/deinit of GnuTLS Resolves: bz1418946 1.1.0-23 - Fix buffer overflow in FullFramePixelBuffer::fillRect Resolves: bz1416289 1.1.0-22 - Fix buffer overflow in FullFramePixelBuffer::fillRect Resolves: bz1416289 1.1.0-21 - Enable DRI2 and DRI3 Resolves: bz1323065 1.1.0-20...

SUSE: Security Advisory for xorg-x11-server (SUSE-SU-2015:0045-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Amazon Linux AMI : xorg-x11-server (ALAS-2015-470)

Multiple integer overflow flaws and out-of-bounds write flaws were found in the way the X.Org server calculated memory requirements for certain X11 core protocol and GLX extension requests. A malicious, authenticated client could use either of these flaws to crash the X.Org server or, potentially...

SuSE 11.3 Security Update : xorg-x11-server (SAT Patch Number 10108)

The XOrg X11 server was updated to fix 12 security issues : - Denial of service due to unchecked malloc in client authentication. CVE-2014-8091 - Integer overflows calculating memory needs for requests. CVE-2014-8092 - Integer overflows calculating memory needs for requests in GLX extension...

Important: xorg-x11-server

Issue Overview: Multiple integer overflow flaws and out-of-bounds write flaws were found in the way the X.Org server calculated memory requirements for certain X11 core protocol and GLX extension requests. A malicious, authenticated client could use either of these flaws to crash the X.Org server...

RHEL 6 / 7 : xorg-x11-server (RHSA-2014:1983)

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2014:1983 advisory. X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical...