A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade xorg-x11-server-develUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sourceUpgrade tigervnc-licenseUpgrade xorg-x11-server-XephyrUpgrade tigervncUpgrade tigervnc-server-minimalUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-iconsUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-commonUpgrade tigervnc-serverUpgrade tigervnc-selinuxUpgrade xorg-x11-server-Xwayland | Jul 1, 2025 | Jun 17, 2025 |
| Alpine Linux | — | Upgrade xorg-serverUpgrade xwayland | Aug 8, 2025 | Jun 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XwaylandUpgrade tigervncUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-commonUpgrade tigervnc-licenseUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-sourceUpgrade tigervnc-iconsUpgrade tigervnc-server-minimalUpgrade tigervnc-server-appletUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-serverUpgrade tigervnc-server-module | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade tigervnc-server-debuginfoUpgrade tigervnc-serverUpgrade tigervnc-debugsourceUpgrade tigervnc-iconsUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-develUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-XnestUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XvfbUpgrade tigervnc-licenseUpgrade xorg-x11-server-commonUpgrade tigervnc-selinuxUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-sourceUpgrade tigervncUpgrade xorg-x11-server-Xephyr | Jul 11, 2025 | Jun 17, 2025 |
| Debian | — | Upgrade xorg-server | Jun 20, 2025 | Jun 17, 2025 |
| Freebsd | — | Upgrade xorg-nextserverUpgrade xorg-serverUpgrade xephyrUpgrade xorg-vfbserverUpgrade xwayland | Jul 2, 2025 | Jul 1, 2025 |
| Ibm Aix | — | Apply the fix or workaround for xorg_advisory4 | Oct 14, 2025 | Oct 13, 2025 |
| Oracle_linux | — | Upgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade tigervncUpgrade tigervnc-server-minimalUpgrade tigervnc-serverUpgrade tigervnc-licenseUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XorgUpgrade tigervnc-selinuxUpgrade xorg-x11-server-commonUpgrade tigervnc-iconsUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-server-applet | Jun 30, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-licenseUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-commonUpgrade tigervncUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XnestNo solution existsUpgrade tigervnc-server-minimalUpgrade tigervnc-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-server-moduleUpgrade tigervnc-selinuxUpgrade tigervnc-iconsUpgrade xorg-x11-server-develUpgrade tigervnc-serverUpgrade tigervnc-server-applet | Jun 26, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XdmxUpgrade tigervnc-serverUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-server-minimalUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade tigervncUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-commonUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-devel | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade xorg-x11-server-extraUpgrade xorg-x11-server-waylandUpgrade xorg-x11-server-sdkUpgrade xorg-x11-serverUpgrade xwayland-develUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sourceUpgrade xwayland | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro)Upgrade xwayland (Ubuntu Pro)Upgrade xwaylandUpgrade xserver-xorg-core (Ubuntu Pro) | Jun 18, 2025 | Jun 17, 2025 |
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