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-2017-5470, CVE-2017-5472, CVE-2017-7749, CVE-2017-7751, CVE-2017-7756, CVE-2017-7771, CVE-2017-7772, CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776, CVE-2017-7777, CVE-2017-7778, CVE-2017-7750, CVE-2017-7752, CVE-2017-7754, CVE-2017-7757, CVE-2017-7758, CVE-2017-7764).