USN-3428-1: Emacs vulnerability

USN-3428-1: Emacs vulnerability

Ubuntu Security Notice USN-3428-1

21st September, 2017

emacs25 vulnerability

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

• Ubuntu 17.04

Summary

Emacs could be made to run programs as your login if it opened a specially crafted file.

Software description

• emacs25
  – GNU Emacs editor

Details

Charles A. Roelli discovered that Emacs incorrectly handled certain
files. If a user were tricked into opening a specially crafted file, an
attacker could possibly use this to execute arbitrary code.

Update instructions

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

Ubuntu 17.04:

emacs25

25.1+1-3ubuntu4.1

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.

References

CVE-2017-14482

Source: USN-3428-1: Emacs vulnerability