A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tigervnc-server-minimalUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-iconsUpgrade tigervnc-serverUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade xorg-x11-server-commonUpgrade tigervncUpgrade xorg-x11-server-XorgUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-licenseUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xephyr | Mar 18, 2025 | Feb 25, 2025 |
| Amazon Linux Ami 2 | — | Upgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-debuginfo | Mar 26, 2025 | Feb 25, 2025 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xwayland-devel | Mar 27, 2025 | Feb 25, 2025 |
| Debian | — | Upgrade xwaylandUpgrade xorg-server | Mar 3, 2025 | Feb 25, 2025 |
| Freebsd | — | Upgrade xwaylandUpgrade xorg-vfbserverUpgrade xephyrUpgrade xorg-nextserverUpgrade xorg-server | 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 | Jul 21, 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-server-minimalUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XnestUpgrade tigervnc-serverUpgrade xorg-x11-server-XorgUpgrade tigervncUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-develUpgrade xorg-x11-server-commonUpgrade tigervnc-server-appletUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade tigervnc-iconsUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XephyrUpgrade tigervnc-license | Mar 12, 2025 | Feb 25, 2025 |
| Redhat_linux | — | Upgrade xorg-x11-server-debuginfoUpgrade tigervnc-server-moduleNo solution existsUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade tigervnc-selinuxUpgrade xorg-x11-server-develUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xnest-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervncUpgrade tigervnc-iconsUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade tigervnc-licenseUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-serverUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xwayland | Mar 11, 2025 | Feb 25, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade tigervnc-debugsourceUpgrade tigervnc-serverUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-moduleUpgrade tigervnc-server-minimalUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XvfbUpgrade tigervnc-server-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-commonUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervncUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xdmx | May 8, 2025 | Feb 25, 2025 |
| Suse | — | Upgrade xorg-x11-serverUpgrade xorg-x11-server-extraUpgrade xwayland-develUpgrade xorg-x11-server-waylandUpgrade xwaylandUpgrade xorg-x11-server-sdkUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xvfb | Mar 3, 2025 | Feb 25, 2025 |
| Ubuntu | — | Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xwaylandUpgrade xserver-xorg-core (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro) | Feb 26, 2025 | Feb 25, 2025 |
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