1. Ubuntu Security Notices
  2. USN-294-1

USN-294-1: courier vulnerability

Publication date

9 June 2006

Overview

courier vulnerability

Releases

Details

A Denial of Service vulnerability has been found in the function for
encoding email addresses. Addresses containing a ‘=’ before the ‘@’
character caused the Courier to hang in an endless loop, rendering the
service unusable.

A Denial of Service vulnerability has been found in the function for
encoding email addresses. Addresses containing a ‘=’ before the ‘@’
character caused the Courier to hang in an endless loop, rendering the
service unusable.

Update instructions

In general, a standard system upgrade is sufficient to effect 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
6.06 dapper courier-mta –  0.47-13ubuntu5.1
5.10 breezy courier-mta –  0.47-3ubuntu7.2
5.04 hoary courier-mta –  0.47-3ubuntu1.5

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References

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