USN-3483-2: procmail vulnerability

Ubuntu Security Notice USN-3483-2

21st November, 2017

procmail vulnerability

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

  • Ubuntu 12.04 LTS


formail could be made to crash or run programs if it processed specially crafted mail.

Software description

  • procmail - Versatile e-mail processor


USN-3483-1 fixed a vulnerability in procmail. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Jakub Wilk discovered that the formail tool incorrectly handled certain
malformed mail messages. An attacker could use this flaw to cause formail
to crash, resulting in a denial of service, or possibly execute arbitrary

Update instructions

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

Ubuntu 12.04 LTS:
procmail 3.22-19ubuntu0.2

To update your system, please follow these instructions:

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