Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox (CVE-2016-9893, CVE-2016-9899, CVE-2016-9895, CVE-2016-9897, CVE-2016-9898, CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9904, CVE-2016-9905).