A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade xorg-x11-server-XnestUpgrade tigervnc-server-moduleUpgrade tigervncUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-develUpgrade tigervnc-serverUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-minimalUpgrade tigervnc-licenseUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade tigervnc-iconsUpgrade xorg-x11-server-common | Feb 1, 2024 | Jan 30, 2024 |
| Alpine Linux | — | Upgrade xwaylandUpgrade xorg-server | Aug 22, 2024 | Feb 28, 2024 |
| Amazon Linux Ami 2 | — | Upgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-source | Feb 21, 2024 | Feb 21, 2024 |
| Amazon_linux | — | Upgrade xorg-x11-server | Apr 29, 2024 | Feb 28, 2024 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-debuginfo | Feb 17, 2025 | Jan 16, 2024 |
| Centos_linux | — | Upgrade xorg-x11-server-sourceUpgrade tigervnc-server-appletUpgrade tigervnc-server-minimalUpgrade tigervnc-debuginfoUpgrade tigervnc-iconsUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-commonUpgrade tigervncUpgrade tigervnc-serverUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XnestUpgrade tigervnc-licenseUpgrade xorg-x11-server-devel | Jan 23, 2024 | Jan 22, 2024 |
| Debian | — | Upgrade xwaylandUpgrade xorg-server | Jan 29, 2024 | Jan 29, 2024 |
| Freebsd | — | Upgrade xorg-nextserverUpgrade xephyrUpgrade xwayland-develUpgrade xorg-serverUpgrade xwaylandUpgrade xorg-vfbserver | Dec 10, 2025 | Jan 16, 2024 |
| Gentoo Linux | — | Upgrade x11-base/xorg-server.Upgrade x11-base/xwayland. | Feb 1, 2024 | Jan 31, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade xorg-x11-server-help | Mar 13, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade xorg-x11-server-help | Mar 13, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade xorg-x11-server-help | May 31, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp5 | — | Upgrade xorg-x11-server-common | Oct 8, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade xorg-x11-server-common | Jul 24, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade xorg-x11-server-help | Apr 9, 2024 | Feb 28, 2024 |
| Oracle_linux | — | Upgrade tigervnc-server-minimalUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-develUpgrade tigervnc-serverUpgrade xorg-x11-server-XnestUpgrade tigervnc-server-moduleUpgrade tigervncUpgrade xorg-x11-server-XephyrUpgrade tigervnc-licenseUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade tigervnc-iconsUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-sourceUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xdmx | May 7, 2024 | Jan 16, 2024 |
| Redhat_linux | — | Upgrade tigervnc-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XorgUpgrade tigervnc-selinuxUpgrade xorg-x11-server-sourceUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-server-minimalUpgrade tigervnc-server-debuginfoUpgrade tigervnc-serverUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade tigervnc-iconsUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-debuginfoNo solution existsUpgrade xorg-x11-server-Xwayland | Jan 29, 2024 | Jan 22, 2024 |
| Rocky_linux | — | — | Aug 15, 2024 | Feb 28, 2024 |
| Suse | — | Upgrade xorg-x11-server-waylandUpgrade xorg-x11-server-extraUpgrade xwaylandUpgrade xorg-x11-serverUpgrade xorg-x11-server-sdkUpgrade xorg-x11-server-XvfbUpgrade xwayland-develUpgrade xorg-x11-server-source | Jan 17, 2024 | Jan 17, 2024 |
| Ubuntu | — | Upgrade xserver-xorg-coreUpgrade xwayland (Ubuntu Pro)Upgrade xserver-xorg-core (Ubuntu Pro)Upgrade xwayland | Jan 17, 2024 | Jan 16, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub