xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in XKB SetMap request via mapWidths indexing

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. XkbSetMapChecks declares a fixed-size stack buffer mapWidths256 indexed by key type index. The helper function CheckKeyTypes writes to this buffer at a client-controlled offset, allowing a stack buffer overflow. This...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues CreateSaverWindow Use-After-Free Information Disclosure. bsc1266301 DRI2 DRIGetBuffers/DRIGetBuffersWithFormat Out-Of-Bounds Write. bsc1266302 Font Alias Stack-based Buffer Overflow. bsc1266294 GLX ChangeDrawableAttributes Out-Of-Bounds...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

EUVD-2026-25229

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

Moderate: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common...

RHEL 8 : tigervnc (RHSA-2025:22077)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22077 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

OESA-2024-2352 xorg-x11-server security update

X.Org X11 X server Security Fixes: VUL-0: CVE-2024-9632: xorg-x11-server,xwayland: Heap-based buffer overflow privilege escalation in XkbSetCompatMapCVE-2024-9632...

[SECURITY] Fedora 10 Update: kdebase-workspace-4.3.1-1.fc10

The KDE Workspace consists of what is the desktop of the KDE Desktop Environment. This package contains: khotkeys a hotkey daemon klipper a cut & paste history utility kmenuedit the menu editor krandrtray resize and rotate X screens krunner a command run interface ksysguard a performance monitor...