USN-2213-1: Dovecot vulnerability

15 May 2014

Dovecot could be made to stop responding if it received specially crafted network traffic.



  • dovecot - IMAP and POP3 email server


It was discovered that Dovecot incorrectly handled closing inactive SSL/TLS
connections. A remote attacker could use this issue to cause Dovecot to
stop responding to new connections, resulting in a denial of service.

Update instructions

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

Ubuntu 14.04
Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

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