Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.8.0 ESR. Security Fix: * Mozilla: Content Security Policy violation report could have contained the destination of a redirect * Mozilla: Content Security Policy violation report could have contained the destination of a redirect * Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 * Mozilla: MediaError message property could have leaked information about cross-origin resources For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.