fetchmailconf before 1.49 in fetchmail 6.2.0, 6.2.5 and 6.2.5.2 creates configuration files with insecure world-readable permissions, which allows local users to obtain sensitive information such as passwords.
http://www.vupen.com/english/advisories/2006/3101
http://www.vupen.com/english/advisories/2005/2182
http://www.us-cert.gov/cas/techalerts/TA06-214A.html
http://www.securityfocus.com/bid/19289
http://www.securityfocus.com/bid/15179
http://www.redhat.com/support/errata/RHSA-2005-823.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:209
http://www.gentoo.org/security/en/glsa/glsa-200511-06.xml
http://www.debian.org/security/2005/dsa-900
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.443499
http://securitytracker.com/id?1015114
http://secunia.com/advisories/21253
http://secunia.com/advisories/18895
http://secunia.com/advisories/17631
http://secunia.com/advisories/17495
http://secunia.com/advisories/17491
http://secunia.com/advisories/17446
http://secunia.com/advisories/17349
http://secunia.com/advisories/17293
http://marc.info/?l=bugtraq&m=113042785902031&w=2
http://lists.apple.com/archives/security-announce/2006//Aug/msg00000.html