Mandriva Linux Security Advisory – The rfc1738_do_escape function in ftp.c for Squid 2.5.STABLE11 and earlier allows remote FTP servers to cause a denial of service (segmentation fault) via certain “odd” responses.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/41039/MDKSA-2005-195.txt
Source: https://packetstormsecurity.com/files/41039/Mandriva-Linux-Security-Advisory-2005.195.html