Fedora 43 : tigervnc (2026-ad10afa9cd)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ad10afa9cd advisory. Fixes CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264. Tenabl...

tigervnc security update

An update is available for tigervnc. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Virtual Network Computing VNC is a remote display system which allows users ...

Oracle Linux 9 : xorg-x11-server-Xwayland (ELSA-2026-26590)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-26590 advisory. - CVE fix for: CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, CVE-2026-50263 Resolves...

ROOT-OS-DEBIAN-12-CVE-2026-50261 CVE-2026-50261 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50261 in the rootio-xorg-server package for Root:Debian:12. Multiple fixed versions available...

Fedora 44 : tigervnc (2026-e7c97d043e)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e7c97d043e advisory. Fixes CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264. Tenabl...

RHEL 9 : xorg-x11-server (RHSA-2026:26610)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26610 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

Oracle Linux 8 : xorg-x11-server-Xwayland (ELSA-2026-26562)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-26562 advisory. 21.1.3-20.2 - Other security related fixes Resolves: https://redhat.atlassian.net/browse/RHEL-184293 21.1.3-20.1 - CVE fix for: CVE-2026-50256,...

RHEL 8 : xorg-x11-server (RHSA-2026:26709)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26709 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

Important: Red Hat Security Advisory: xorg-x11-server-Xwayland security, bug fix, and enhancement update

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

BELL-CVE-2026-50261

Bulletin has no description...

CVE-2026-50261 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()

A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter. A client that sets up multiple SyncCounters can trigger a use-after-free when destroying those counters via a second client connection while changing those counters. This may be used to crash the server, or f...