Mozilla allows remote attackers to cause a denial of service (application crash from null dereference or infinite loop) via a web page that contains a (1) TEXTAREA, (2) INPUT, (3) FRAMESET or (4) IMG tag followed by a null character and some trailing characters, as demonstrated by mangleme.
lcamtuf.coredump.cx/mangleme/gallery/
lists.grok.org.uk/pipermail/full-disclosure/2004-October/027709.html
marc.info/?l=bugtraq&m=109811406620511&w=2
securitytracker.com/id?1011810
www.redhat.com/support/errata/RHSA-2005-323.html
www.securityfocus.com/bid/11439
exchange.xforce.ibmcloud.com/vulnerabilities/17805
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10227