title: Red Hat Security Advisory: firefox security update
description: Mozilla: iframe sandbox rules did not apply to XSLT stylesheets Mozilla: Use-after-free in file picker dialog Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 Mozilla: Use-after-free in HTTP2 Session object
cpes: cpe:/a:redhat:rhel_eus:8.2::appstream