Mozilla Firefox before 1.5.0.1, Thunderbird 1.5 if running Javascript in mail, and SeaMonkey before 1.0 allow remote attackers to execute arbitrary code by changing an element’s style from position:relative to position:static, which causes Gecko to operate on freed memory.
secunia.com/advisories/18700
secunia.com/advisories/18704
secunia.com/advisories/22065
securitytracker.com/id?1015570
www.mozilla.org/security/announce/2006/mfsa2006-02.html
www.securityfocus.com/archive/1/446657/100/200/threaded
www.securityfocus.com/bid/16476
www.vupen.com/english/advisories/2006/0413
www.vupen.com/english/advisories/2006/3749
bugzilla.mozilla.org/show_bug.cgi?id=317934
exchange.xforce.ibmcloud.com/vulnerabilities/24431
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1514