1. Ubuntu Security Notices
  2. USN-4934-1

USN-4934-1: Exim vulnerabilities

Publication date

4 May 2021

Overview

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.

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

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
21.04 hirsute exim4-base –  4.94-15ubuntu1.2
exim4-daemon-heavy –  4.94-15ubuntu1.2
exim4-daemon-light –  4.94-15ubuntu1.2
20.10 groovy exim4-base –  4.94-7ubuntu1.2
exim4-daemon-heavy –  4.94-7ubuntu1.2
exim4-daemon-light –  4.94-7ubuntu1.2
20.04 focal exim4-base –  4.93-13ubuntu1.5
exim4-daemon-heavy –  4.93-13ubuntu1.5
exim4-daemon-light –  4.93-13ubuntu1.5
18.04 bionic exim4-base –  4.90.1-1ubuntu1.8
exim4-daemon-heavy –  4.90.1-1ubuntu1.8
exim4-daemon-light –  4.90.1-1ubuntu1.8

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References

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