Security Fix: Mozilla: Bypassing permission prompt in nested browsing contexts Mozilla: iframe Sandbox bypass Mozilla: Fullscreen notification bypass using popups Mozilla: Leaking browser history with CSS variables Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9 Mozilla: Reader mode bypassed SameSite cookies Mozilla: Speech Synthesis feature not properly disabled Mozilla: Incorrect security status shown after viewing an attached email 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.