1. Ubuntu Security Notices
  2. USN-4110-1

USN-4110-1: Dovecot vulnerability

Publication date

28 August 2019

Overview

Dovecot could be made to crash or execute arbitrary code if it received a specially crafted data.

Releases

Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.04 disco dovecot-core –  1:2.3.4.1-1ubuntu2.3
18.04 bionic dovecot-core –  1:2.2.33.2-1ubuntu4.4
16.04 xenial dovecot-core –  1:2.2.22-1ubuntu2.11

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References

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