A buffer overflow in Linux fetchmail before 5.8.6 allows remote attackers to execute arbitrary code via a large 'To:' field in an email header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6704
http://www.securityfocus.com/bid/2877
http://www.redhat.com/support/errata/RHSA-2001-103.html
http://www.novell.com/linux/security/advisories/2001_026_fetchmail_txt.html
http://www.linuxsecurity.com/advisories/other_advisory-1451.html
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-063.php3?dis=7.1
http://www.debian.org/security/2001/dsa-060
http://www.caldera.com/support/security/advisories/CSSA-2001-022.1.txt
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-025-01
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000403