USN-4934-1: Exim vulnerabilities

04 May 2021

Several security issues were fixed in Exim.

Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

It was discovered that Exim contained multiple security issues. An attacker
could use these issues to cause a denial of service, execute arbitrary
code remotely, obtain sensitive information, or escalate local privileges.

Update instructions

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

Ubuntu 21.04
Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04

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

Related notices

  • USN-4934-2: exim4-config, eximon4, exim4, exim4-daemon-light, exim4-daemon-heavy, exim4-base, exim4-dev