1. Ubuntu Security Notices
  2. USN-5574-1

USN-5574-1: Exim vulnerability

Publication date

22 August 2022

Overview

Exim could be made to crash of execute arbitrary code if it received a specially crafted input.

Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

It was discovered that Exim incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or
execute arbitrary code.

It was discovered that Exim incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash 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
20.04 focal exim4-base –  4.93-13ubuntu1.6
exim4-daemon-heavy –  4.93-13ubuntu1.6
exim4-daemon-light –  4.93-13ubuntu1.6
18.04 bionic exim4-base –  4.90.1-1ubuntu1.9
exim4-daemon-heavy –  4.90.1-1ubuntu1.9
exim4-daemon-light –  4.90.1-1ubuntu1.9
16.04 xenial exim4-base –  4.86.2-2ubuntu2.6+esm2  
exim4-daemon-heavy –  4.86.2-2ubuntu2.6+esm2  
exim4-daemon-light –  4.86.2-2ubuntu2.6+esm2  
14.04 trusty exim4-base –  4.82-3ubuntu2.4+esm4  
exim4-daemon-heavy –  4.82-3ubuntu2.4+esm4  
exim4-daemon-light –  4.82-3ubuntu2.4+esm4  

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References

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