CVE 2007-5769
Double free vulnerability in the getreply function in ftp.c in netkit ftp (netkit-ftp) 0.17 20040614 and later allows remote FTP servers to cause a denial of service (application crash) and possibly have unspecified other impact via some types of FTP protocol behavior. NOTE: the netkit-ftpd issue is covered by CVE-2007-6263.
See the
CVE page on Mitre.org
for more details.