X.Org Server DisableDevice Heap-based Buffer Overflow Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the DisableDevice...

CentOS 8 : tigervnc (CESA-2023:0662)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2023:0662 advisory. - A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo and...

CentOS 8 : tigervnc (CESA-2023:1551)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2023:1551 advisory. - A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overl...

USN-6587-4: X.Org X Server regression

USN-6587-1 fixed vulnerabilities in X.Org X Server. The fix was incomplete resulting in a possible regression. This update fixes the problem. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the DeviceFocusEvent and...

Oracle Linux 7 : tigervnc (ELSA-2024-0629)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0629 advisory. - Dropped xorg-CVE-2023-5367.patch, xorg-CVE-2023-6816.patch, xorg-CVE-2023-6377.patch, xorg- CVE-2023-6478.patch, xorg-CVE-2024-0229-1.patch,...

Ubuntu 16.04 ESM / 18.04 ESM : X.Org X Server regression (USN-6587-4)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-6587-4 advisory. USN-6587-1 fixed vulnerabilities in X.Org X Server. The fix was incomplete resulting in a possible regression. This update fixes the problem. Tenable...

Fedora 38 : xorg-x11-server-Xwayland (2024-05db4bcbec)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-05db4bcbec advisory. CVE fix for: CVE-2023-6816, CVE-2024-0229, CVE-2024-21885, CVE-2024-21886, CVE-2024-0408, CVE-2024-0409 Tenable has extracted the preceding...

Oracle Linux 8 : tigervnc (ELSA-2024-0607)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0607 advisory. - Fix CVE-2024-21886 tigervnc: xorg-x11-server: heap buffer overflow in DisableDevice Resolves: RHEL-20388 - Fix CVE-2024-21885 tigervnc:...

xorg-x11-server: heap buffer overflow in DisableDevice

A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments...

AlmaLinux 9 : tigervnc (ALSA-2024:0557)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:0557 advisory. - A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can b...

RHEL 9 : tigervnc (RHSA-2024:0626)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0626 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

RHEL 8 : tigervnc (RHSA-2024:0617)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0617 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

RHEL 7 : tigervnc (RHSA-2024:0629)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0629 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

Oracle Linux 9 : tigervnc (ELSA-2024-0557)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0557 advisory. - Fix CVE-2024-21886 tigervnc: xorg-x11-server: heap buffer overflow in DisableDevice Resolves: RHEL-20389 - Fix CVE-2024-21885 tigervnc:...

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 The X server can be crashed by a maliciou...

AlmaLinux 8 : tigervnc (ALSA-2024:0607)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:0607 advisory. - A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can b...

GLSA-202401-30 : X.Org X Server, XWayland: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202401-30 X.Org X Server, XWayland: Multiple Vulnerabilities - A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap ...

xorg-x11-server: heap buffer overflow in DisableDevice

A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments...

xorg-x11-server: heap buffer overflow in DisableDevice

A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments...

xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer

A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular number of buttons, leadin...