Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.8.0 ESR. Security Fix: * Mozilla: Use-after-free during worker shutdown * Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 * Mozilla: Buffer overflow in SCTP chunk input validation * Mozilla: Arbitrary local file access with "Copy as cURL" 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.