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-commonUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-serverUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XorgUpgrade tigervnc-iconsUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XdmxUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XephyrUpgrade tigervncUpgrade xorg-x11-server-sourceUpgrade tigervnc-license | Jul 1, 2025 | Jun 17, 2025 |
| Alpine Linux | — | Upgrade xwaylandUpgrade xorg-server | Aug 8, 2025 | Jun 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade tigervnc-server-moduleUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-iconsUpgrade tigervnc-server-appletUpgrade tigervnc-serverUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XnestUpgrade tigervncUpgrade xorg-x11-server-XdmxUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-sourceUpgrade tigervnc-licenseUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-XvfbUpgrade tigervnc-debuginfoUpgrade tigervnc-licenseUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-selinuxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervncUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-serverUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-debugsourceUpgrade tigervnc-server-debuginfoUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-develUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-iconsUpgrade xorg-x11-server-Xwayland-debuginfo | Jul 11, 2025 | Jun 17, 2025 |
| Debian | — | Upgrade xorg-server | Jun 20, 2025 | Jun 17, 2025 |
| Freebsd | — | Upgrade xorg-nextserverUpgrade xorg-vfbserverUpgrade xorg-serverUpgrade xephyrUpgrade 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-develUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XephyrUpgrade tigervncUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XnestUpgrade tigervnc-server-minimalUpgrade tigervnc-server-appletUpgrade tigervnc-iconsUpgrade xorg-x11-server-commonUpgrade tigervnc-serverUpgrade tigervnc-licenseUpgrade xorg-x11-server-Xwayland-devel | Jun 30, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade tigervnc-selinuxUpgrade tigervnc-server-appletUpgrade tigervnc-iconsNo solution existsUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-debuginfoUpgrade tigervnc-serverUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervncUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-licenseUpgrade xorg-x11-server-Xephyr | Jun 26, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-debugsourceUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-XorgUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-serverUpgrade xorg-x11-server-XdmxUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XephyrUpgrade tigervnc-server-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade tigervncUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xephyr-debuginfo | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade xorg-x11-serverUpgrade xorg-x11-server-extraUpgrade xorg-x11-server-sdkUpgrade xwayland-develUpgrade xorg-x11-server-waylandUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade xwayland | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xserver-xorg-core (Ubuntu Pro)Upgrade xwayland (Ubuntu Pro)Upgrade xwaylandUpgrade xserver-xorg-core-hwe-18.04 (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