Pan 0.13.3 and earlier allows remote attackers to cause a denial of service (crash) via a news post with a long author email address.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-0846
http://www.redhat.com/support/errata/RHSA-2003-312.html
http://www.redhat.com/support/errata/RHSA-2003-311.html