fetchmail 6.3.0 and other versions before 6.3.2 allows remote attackers to cause a denial of service (crash) via crafted e-mail messages that cause a free of an invalid pointer when fetchmail bounces the message to the originator or local postmaster.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=348747
developer.berlios.de/project/shownotes.php?release_id=8784
fetchmail.berlios.de/fetchmail-SA-2006-01.txt
lists.apple.com/archives/security-announce/2006//Aug/msg00000.html
secunia.com/advisories/18571
secunia.com/advisories/18895
secunia.com/advisories/21253
securitytracker.com/id?1015527
slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.443499
www.osvdb.org/22691
www.securityfocus.com/archive/1/422936/100/0/threaded
www.securityfocus.com/bid/16365
www.securityfocus.com/bid/19289
www.us-cert.gov/cas/techalerts/TA06-214A.html
www.vupen.com/english/advisories/2006/0300
www.vupen.com/english/advisories/2006/3101
exchange.xforce.ibmcloud.com/vulnerabilities/24265