ProFTPD 1.2.7 through 1.2.9rc2 does not properly translate newline characters when transferring files in ASCII mode, which allows remote attackers to execute arbitrary code via a buffer overflow using certain files.
https://www.exploit-db.com/exploits/107/
https://exchange.xforce.ibmcloud.com/vulnerabilities/12200
http://xforce.iss.net/xforce/alerts/id/154
http://www.mandriva.com/security/advisories?name=MDKSA-2003:095
http://www.kb.cert.org/vuls/id/405348
http://secunia.com/advisories/9829
http://marc.info/?l=bugtraq&m=106606885611269&w=2
http://marc.info/?l=bugtraq&m=106441655617816&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2003-October/012072.html