Courier MTA Long Year Remote Resource Consumption Vulnerability

Courier MTA is a freely available, open source mail transport agent (MTA). It is developed and maintained by Double Precison, Incorporated, and works with various Unix and Linux Operating Systems.

Under some circumstances, it may be possible to cause a denial of service in the MTA. The problem occurs when handling messages by users that contain an excessively large year. This bug could result in resource consumption on the system using the affected MTA, and potentially a denial of service.


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