USN-3258-1: Dovecot vulnerability
USN-3258-1: Dovecot vulnerability Ubuntu Security Notice USN-3258-1 10th April, 2017 dovecot vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Ubuntu 16.04 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 some usernames. An attackercould possibly use this issue to cause Dovecot to hang or crash, resulting in adenial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: dovecot-core 1:2.2.24-1ubuntu1.2 Ubuntu 16.04 LTS: dovecot-core 1:2.2.22-1ubuntu2.3 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-2017-2669 Source: USN-3258-1: Dovecot vulnerability