USN-5741-1: Exim vulnerability

Publication date

24 November 2022

Overview

Exim could be made to crash or run programs if it processed specially crafted regular expressions.


Packages

  • exim4 - Exim is a mail transport agent

Details

It was discovered that Exim incorrectly handled certain regular
expressions. An attacker could use this issue to cause Exim to crash,
resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that Exim incorrectly handled certain regular
expressions. An attacker could use this issue to cause Exim to crash,
resulting in a denial of service, or possibly 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:


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