USN-3427-1: Emacs vulnerability
21 September 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Emacs could be made to run programs as your login if it opened a specially crafted file.
- emacs24 - GNU Emacs editor
Charles A. Roelli discovered that Emacs incorrectly handled certain files. If a user were tricked into opening a specially crafted file (e.g., email messages in gnus), an attacker could possibly use this to execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.