Integer signedness error in rfc2231_get_param 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.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P