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-2017-7779, CVE-2017-7798, CVE-2017-7800, CVE-2017-7801, CVE-2017-7753, CVE-2017-7784, CVE-2017-7785, CVE-2017-7786, CVE-2017-7787, CVE-2017-7792, CVE-2017-7802, CVE-2017-7807, CVE-2017-7809, CVE-2017-7791, CVE-2017-7803).