USN-4110-1: Dovecot vulnerability
USN-4110-1: Dovecot vulnerability dovecot vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Dovecot could be made to crash or execute arbitrary code if it received a specially crafted data. Software Description dovecot – IMAP and POP3 email server Details Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly handled certain data. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 dovecot-core – 1:2.3.4.1-1ubuntu2.3 Ubuntu 18.04 LTS dovecot-core – 1:2.2.33.2-1ubuntu4.4 Ubuntu 16.04 LTS dovecot-core – 1:2.2.22-1ubuntu2.11 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-2019-11500 Source: USN-4110-1: Dovecot [ more… ]