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 tigervnc-iconsUpgrade xorg-x11-server-XorgUpgrade tigervnc-selinuxUpgrade tigervnc-serverUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XnestUpgrade tigervnc-licenseUpgrade tigervnc-server-moduleUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XvfbUpgrade tigervncUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-devel | Jul 1, 2025 | Jun 17, 2025 |
| Alpine Linux | — | Upgrade xorg-serverUpgrade xwayland | Aug 8, 2025 | Jun 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade tigervnc-server-moduleUpgrade tigervnc-server-minimalUpgrade tigervnc-server-appletUpgrade tigervnc-iconsUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-serverUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sourceUpgrade tigervnc-debuginfoUpgrade tigervnc-licenseUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-commonUpgrade tigervncUpgrade xorg-x11-server-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-debugsourceUpgrade tigervnc-server-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-develUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-iconsUpgrade tigervnc-serverUpgrade xorg-x11-server-XwaylandUpgrade tigervncUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-sourceUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-commonUpgrade tigervnc-selinuxUpgrade tigervnc-licenseUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xorg-debuginfo | Jul 11, 2025 | Jun 17, 2025 |
| Debian | — | Upgrade xorg-server | Jun 20, 2025 | Jun 17, 2025 |
| Freebsd | — | Upgrade xwaylandUpgrade xorg-nextserverUpgrade xephyrUpgrade xorg-serverUpgrade xorg-vfbserver | Jul 2, 2025 | Jul 1, 2025 |
| Gentoo Linux | — | Upgrade x11-base/xorg-server.Upgrade x11-base/xwayland. | Aug 17, 2026 | Aug 17, 2026 |
| Ibm Aix | — | Apply the fix or workaround for xorg_advisory4 | Oct 14, 2025 | Oct 13, 2025 |
| Oracle_linux | — | Upgrade tigervnc-server-moduleUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XdmxUpgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-serverUpgrade xorg-x11-server-XnestUpgrade tigervnc-server-minimalUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-iconsUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xvfb | Jun 30, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-debuginfoNo solution existsUpgrade xorg-x11-server-Xnest-debuginfoUpgrade tigervnc-serverUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-minimalUpgrade tigervnc-server-moduleUpgrade tigervnc-iconsUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-develUpgrade tigervnc-selinuxUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-commonUpgrade tigervnc-licenseUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-debuginfoUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervncUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xvfb | Jun 26, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-XdmxUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-server-minimalUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade tigervnc-serverUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-develUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervncUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-common | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade xwaylandUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-waylandUpgrade xorg-x11-server-extraUpgrade xorg-x11-server-sdkUpgrade xorg-x11-serverUpgrade xwayland-devel | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xwayland (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro)Upgrade xserver-xorg-core (Ubuntu Pro)Upgrade xwayland | 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