Packages
- dovecot - IMAP and POP3 email server
Details
USN-4110-1 fixed a vulnerability in Dovecot. The update introduced a
regression causing a wrong check. This update fixes the problem.
We apologize for the inconvenience.
Original advisory 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.
USN-4110-1 fixed a vulnerability in Dovecot. The update introduced a
regression causing a wrong check. This update fixes the problem.
We apologize for the inconvenience.
Original advisory 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
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 – 1:2.3.4.1-1ubuntu2.4 | ||
| 18.04 bionic | dovecot-core – 1:2.2.33.2-1ubuntu4.5 | ||
| 16.04 xenial | dovecot-core – 1:2.2.22-1ubuntu2.12 | ||
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