This Red Hat Security Advisory announces an Important Firefox security update for specific RHEL 8.6 Extended Update Support channels, but the article text does not provide details on the specific vulnerabilities, their attack vectors, CVSS scores, or the exact fixed Firefox version number.
An update for firefox is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.