USN-4361-1: Dovecot vulnerabilities

18 May 2020

Several security issues were fixed in Dovecot.

Releases

Packages

  • dovecot - IMAP and POP3 email server

Details

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-10957, CVE-2020-10967)

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2020-10958)

Update instructions

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

Ubuntu 20.04
Ubuntu 19.10

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