Stack-based buffer overflow in Qualcomm WorldMail 3.0 allows remote attackers to execute arbitrary code via a long IMAP command that ends with a "}" character, as demonstrated using long (1) LIST, (2) LSUB, (3) SEARCH TEXT, (4) STATUS INBOX, (5) AUTHENTICATE, (6) FETCH, (7) SELECT, and (8) COPY commands.
http://www.vupen.com/english/advisories/2005/3005
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=359
http://securitytracker.com/id?1015391