> USN-8229-2: sed vulnerability
[DATE: 28/05/2026 18:34]
[LANGUAGE: EN]
USN-8229-1 fixed a vulnerability in sed. This update provides the
corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
Michał Majchrowicz and Marcin Wyczechowski discovered that sed
incorrectly handled symbolic links when performing in-place edits.
A local attacker could possibly use this issue to overwrite
arbitrary files.