Summary
USN-8287-1 fixed a vulnerability in XDG Desktop Portal. Unfortunately the
fix for CVE-2026-40354 was incomplete and introduced a regression when
trashing files. This update fixes the problem and provides the
corresponding update for Ubuntu 26.04 LTS.
We apologize for the inconvenience.
Original advisory 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.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 24.04 LTS 24.04:LTS | xdg-desktop-portal | 1.18.4-1ubuntu2.24.04.3 |
| Ubuntu · 26.04 LTS 26.04:LTS | xdg-desktop-portal | 1.21.1+ds-1ubuntu3.1 |
References
-
report
https://bugs.launchpad.net/ubuntu/+source/xdg-desktop-portal/+bug/2166546