The mysqld_multi script in MySQL allows local users to overwrite arbitrary files via a symlink attack.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10559
https://exchange.xforce.ibmcloud.com/vulnerabilities/15883
http://www.securityfocus.com/bid/10142
http://www.redhat.com/support/errata/RHSA-2004-597.html
http://www.redhat.com/support/errata/RHSA-2004-569.html
http://www.mandriva.com/security/advisories?name=MDKSA-2004:034
http://www.debian.org/security/2004/dsa-483
http://www.ciac.org/ciac/bulletins/p-018.shtml
http://securitytracker.com/id?1009784
http://security.gentoo.org/glsa/glsa-200405-20.xml
http://secunia.com/advisories/11223/