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 tigervnc-selinuxUpgrade tigervnc-licenseUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-minimalUpgrade tigervnc-iconsUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade tigervnc-serverUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade tigervnc | 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-XwaylandUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-develUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xdmx | 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-XephyrUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debugsource | Feb 17, 2025 | Jan 16, 2024 |
| Centos_linux | — | Upgrade xorg-x11-server-commonUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XnestUpgrade tigervnc-licenseUpgrade tigervncUpgrade xorg-x11-server-XdmxUpgrade tigervnc-serverUpgrade tigervnc-server-moduleUpgrade tigervnc-server-appletUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-debuginfoUpgrade tigervnc-iconsUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XvfbUpgrade tigervnc-server-minimal | Jan 23, 2024 | Jan 22, 2024 |
| Debian | — | Upgrade xwaylandUpgrade xorg-server | Jan 29, 2024 | Jan 29, 2024 |
| Freebsd | — | Upgrade xorg-vfbserverUpgrade xwaylandUpgrade xorg-serverUpgrade xephyrUpgrade xwayland-develUpgrade xorg-nextserver | Dec 10, 2025 | Jan 16, 2024 |
| Gentoo Linux | — | Upgrade x11-base/xwayland.Upgrade x11-base/xorg-server. | 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-develUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-serverUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade tigervnc-server-moduleUpgrade tigervnc-iconsUpgrade xorg-x11-server-XorgUpgrade tigervnc-licenseUpgrade tigervncUpgrade tigervnc-server-applet | May 7, 2024 | Jan 16, 2024 |
| Redhat_linux | — | Upgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-server-debuginfoUpgrade tigervnc-serverNo solution existsUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-iconsUpgrade tigervnc-server-minimalUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XephyrUpgrade tigervnc-server-appletUpgrade tigervncUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-licenseUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-minimal-debuginfo | Jan 29, 2024 | Jan 22, 2024 |
| Rocky_linux | — | — | Aug 15, 2024 | Feb 28, 2024 |
| Suse | — | Upgrade xorg-x11-serverUpgrade xorg-x11-server-waylandUpgrade xwaylandUpgrade xorg-x11-server-extraUpgrade xorg-x11-server-sdkUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade xwayland-devel | Jan 17, 2024 | Jan 17, 2024 |
| Ubuntu | — | Upgrade xserver-xorg-core (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xwayland (Ubuntu Pro)Upgrade xwayland | Jan 17, 2024 | Jan 16, 2024 |
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