Nixpkgs Security Tracker

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Untriaged
Permalink CVE-2025-26594
7.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
created 6 months ago
X.org: xwayland: use-after-free of the root cursor

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

References

Affected products

xserver
  • <21.1.16
  • <24.1.6
tigervnc
  • *
xorg-x11-server
  • *
xorg-x11-server-Xwayland
  • *

Matching in nixpkgs

pkgs.tigervnc

Fork of tightVNC, made in cooperation with VirtualGL

  • nixos-unstable -