==========================================================================
Ubuntu Security Notice USN-8287-1
May 20, 2026

xdg-desktop-portal vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS

Summary:

XDG Desktop Portal could be made to delete files.

Software Description:
- xdg-desktop-portal: A portal frontend service for Flatpak and other desktop 
containment frameworks

Details:

It was discovered that XDG Desktop Portal incorrectly handled
trashing files. A local attacker could possibly use this issue to
delete arbitrary files on the host file system via a symlink attack.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
  xdg-desktop-portal              1.20.3+ds-1ubuntu1.1
  xdg-desktop-portal-dev          1.20.3+ds-1ubuntu1.1

Ubuntu 24.04 LTS
  xdg-desktop-portal              1.18.4-1ubuntu2.24.04.2
  xdg-desktop-portal-dev          1.18.4-1ubuntu2.24.04.2

In general, a standard system update will make all the necessary
changes.

References:
  https://ubuntu.com/security/notices/USN-8287-1
  CVE-2026-40354

Package Information:
  https://launchpad.net/ubuntu/+source/xdg-desktop-portal/1.20.3+ds-1ubuntu1.1
  
https://launchpad.net/ubuntu/+source/xdg-desktop-portal/1.18.4-1ubuntu2.24.04.2

Attachment: signature.asc
Description: OpenPGP digital signature

Reply via email to