ls in the fileutils or coreutils packages allows local users to consume a large amount of memory via a large -w value, which can be remotely exploited via applications that use ls, such as wu-ftpd.
distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000768
distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000771
lists.grok.org.uk/pipermail/full-disclosure/2003-October/012548.html
secunia.com/advisories/10126
secunia.com/advisories/17069
support.avaya.com/elmodocs2/security/ASA-2005-213.pdf
www.debian.org/security/2005/dsa-705
www.guninski.com/binls.html
www.mandriva.com/security/advisories?name=MDKSA-2003:106
www.redhat.com/support/errata/RHSA-2003-309.html
www.redhat.com/support/errata/RHSA-2003-310.html
www.securityfocus.com/advisories/6014
www.turbolinux.com/security/TLSA-2003-60.txt
www.exploit-db.com/exploits/115