Pine 4.x allows a remote attacker to execute arbitrary commands via an index.html file which executes lynx and obtains a uudecoded file from a malicious web server, which is then executed by Pine.

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.

Integer signedness error in rfc2231getparam from strings.c in PINE before 4.58 allows remote attackers to execute arbitrary code via an email that causes an out-of-bounds array access using a negative number.

Buffer overflow in PINE before 4.58 allows remote attackers to execute arbitrary code via a malformed message/external-body MIME type.

Pine 4.44 and earlier allows remote attackers to cause a denial of service (core dump and failed restart) via an email message with a From header that contains a large number of quotation marks (").