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.
The c-client library in Internet Message Access Protocol (IMAP) dated before 2002 RC2, as used by Pine 4.20 through 4.44, allows remote attackers to cause a denial of service (client crash) via a MIME-encoded email with Content-Type header containing an empty boundary field.
Pine 4.2.1 through 4.4.4 puts Unix usernames and/or uid into Sender: and X-Sender: headers, which could allow remote attackers to obtain sensitive information.
Vulnerability in (1) pine before 4.33 and (2) the pico editor, included with pine, allows local users local users to overwrite arbitrary files via a symlink attack.
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 (").
URL-handling code in Pine 4.43 and earlier allows remote attackers to execute arbitrary commands via a URL enclosed in single quotes and containing shell metacharacters (&).