A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size.
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-XwaylandUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-commonUpgrade tigervnc-licenseUpgrade xorg-x11-server-XnestUpgrade tigervncUpgrade xorg-x11-server-XephyrUpgrade tigervnc-server-moduleUpgrade tigervnc-iconsUpgrade tigervnc-serverUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade xorg-x11-server-develUpgrade tigervnc-server-minimal | Mar 18, 2025 | Feb 25, 2025 |
| Alpine Linux | — | Upgrade xwaylandUpgrade xorg-server | Aug 8, 2025 | Feb 25, 2025 |
| Amazon Linux Ami 2 | — | Upgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xorg | Mar 26, 2025 | Feb 25, 2025 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-Xwayland-debuginfo | Mar 27, 2025 | Feb 25, 2025 |
| Debian | — | Upgrade xorg-serverUpgrade xwayland | Mar 3, 2025 | Feb 25, 2025 |
| Freebsd | — | Upgrade xorg-serverUpgrade xephyrUpgrade xwaylandUpgrade xorg-nextserverUpgrade xorg-vfbserver | Mar 7, 2025 | Mar 6, 2025 |
| Gentoo Linux | — | Upgrade x11-base/xorg-server.Upgrade x11-base/xwayland. | Jun 13, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade xorg-x11-server-help | Jul 11, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade xorg-x11-server-help | Jun 13, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade xorg-x11-server-help | Jun 11, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade xorg-x11-server-help | Jul 1, 2025 | Feb 25, 2025 |
| Oracle_linux | — | Upgrade xorg-x11-server-XwaylandUpgrade tigervnc-licenseUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade tigervnc-selinuxUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-sourceUpgrade tigervnc-iconsUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XorgUpgrade tigervncUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade tigervnc-server-appletUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-develUpgrade tigervnc-server | Mar 12, 2025 | Feb 25, 2025 |
| Redhat_linux | — | Upgrade tigervncUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-XvfbUpgrade tigervnc-server-appletUpgrade tigervnc-licenseUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-develUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-selinuxUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XorgUpgrade tigervnc-iconsUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XnestUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XdmxNo solution existsUpgrade tigervnc-server-minimalUpgrade tigervnc-serverUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xorg-debuginfo | Mar 11, 2025 | Feb 25, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-XnestUpgrade tigervnc-server-minimalUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-commonUpgrade tigervnc-server-moduleUpgrade tigervnc-debuginfoUpgrade tigervncUpgrade tigervnc-server-debuginfoUpgrade tigervnc-serverUpgrade xorg-x11-server-XvfbUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xwayland | May 8, 2025 | Feb 25, 2025 |
| Suse | — | Upgrade xorg-x11-server-extraUpgrade xwaylandUpgrade libxkbfile-devel-32bitUpgrade libxkbfile-develUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sdkUpgrade xorg-x11-server-sourceUpgrade libxkbfile1-32bitUpgrade xwayland-develUpgrade xorg-x11-serverUpgrade xorg-x11-server-waylandUpgrade libxkbfile1 | Mar 3, 2025 | Feb 25, 2025 |
| Ubuntu | — | Upgrade xwaylandUpgrade xserver-xorg-core (Ubuntu Pro)Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xwayland (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro) | Feb 26, 2025 | Feb 25, 2025 |
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