Off-by-one error in the rfc822_output_char function in the RFC822BUFFER routines in the University of Washington (UW) c-client library, as used by the UW IMAP toolkit before imap-2007e and other applications, allows context-dependent attackers to cause a denial of service (crash) via an e-mail message that triggers a buffer overflow.
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00846.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/47526
https://bugzilla.redhat.com/show_bug.cgi?id=477227
http://www.washington.edu/imap/documentation/RELNOTES.html
http://www.vupen.com/english/advisories/2008/3490
http://www.securityfocus.com/bid/32958
http://www.mandriva.com/security/advisories?name=MDVSA-2009:146
http://securitytracker.com/id?1021485