Log Message:
firefox91: update to 91.9.0

Security Vulnerabilities fixed in Firefox ESR 91.9

    #CVE-2022-29914: Fullscreen notification bypass using popups

    #CVE-2022-29909: Bypassing permission prompt in nested browsing contexts

    #CVE-2022-29916: Leaking browser history with CSS variables

    #CVE-2022-29911: iframe Sandbox bypass

    #CVE-2022-29912: Reader mode bypassed SameSite cookies

    #CVE-2022-29917: Memory safety bugs fixed in Firefox 100 and Firefox ESR
    91.9