MiracleLinux 7 : firefox-91.3.0-1.0.1.el7.AXS7 (AXSA:2021-2530:32)

The remote MiracleLinux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2021-2530:32 advisory. Mozilla: Use-after-free in HTTP2 Session object Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 Mozilla: iframe sandbox rules d...

Security Vulnerabilities fixed in Firefox 96 — Mozilla

A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.This bug only affects Firefox for Windows. Other operating systems are unaffected. When navigating from inside an iframe while requesting fullscreen access,...

UBUNTU-CVE-2021-4140

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...