Buffer overflow in the automatic mail checking component of Pine 4.21 and earlier allows remote attackers to execute arbitrary commands via a long From: header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5283
http://www.securityfocus.com/archive/1/84901
http://www.redhat.com/support/errata/RHSA-2000-102.html
http://www.linux-mandrake.com/en/security/MDKSA-2000-073.php3
http://archives.neohapsis.com/archives/bugtraq/2000-10/0441.html