USN-3556-1: Dovecot vulnerability
USN-3556-1: Dovecot vulnerability Ubuntu Security Notice USN-3556-1 1st February, 2018 dovecot vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Dovecot could be made to crash if it received specially crafted input. Software description dovecot – IMAP and POP3 email server Details It was discovered that Dovecot incorrectly handled certain authentications.An attacker could possibly use this to cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: dovecot-core 1:2.2.27-3ubuntu1.2 Ubuntu 16.04 LTS: dovecot-core 1:2.2.22-1ubuntu2.6 Ubuntu 14.04 LTS: dovecot-core 1:2.2.9-1ubuntu2.3 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-2017-15132 Source: USN-3556-1: Dovecot vulnerability