Ubuntu Security Notice USN-267-1 - mailman vulnerability: A remote Denial of Service vulnerability was discovered in the decoder for multipart messages. Certain parts of type "message/delivery-status" or parts containing only two blank lines triggered an exception. An attacker could exploit this to crash Mailman by sending a specially crafted email to a mailing list.
Ubuntu Security Notice USN-267-1 - mailman vulnerability: A remote Denial of Service vulnerability was discovered in the decoder for multipart messages. Certain parts of type "message/delivery-status" or parts containing only two blank lines triggered an exception. An attacker could exploit this to crash Mailman by sending a specially crafted email to a mailing list.