Mozilla 1.5 through 1.7 allows a CA certificate to be imported even when their DN is the same as that of the built-in CA root certificate, which allows remote attackers to cause a denial of service to SSL pages because the malicious certificate is treated as invalid.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3134
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10304
https://exchange.xforce.ibmcloud.com/vulnerabilities/16706
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=127186
http://www.securityfocus.com/bid/15495
http://www.redhat.com/support/errata/RHSA-2004-421.html
http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
http://www.mozilla.org/projects/security/known-vulnerabilities.html
http://www.kb.cert.org/vuls/id/784278
http://www.gentoo.org/security/en/glsa/glsa-200408-22.xml