Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.
https://exchange.xforce.ibmcloud.com/vulnerabilities/51037
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-2040
https://bugzilla.mozilla.org/show_bug.cgi?id=496265
http://www.securityfocus.com/bid/35280