A firefox security update has been released for CentOS 7.

CESA-2023:0812 Important CentOS 7 firefox Security Update

CentOS Errata and Security Advisory 2023:0812 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2023:0812

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
e0d62271ecc1d123dd2dfe6e63131923215ed05f9f87bb42cbe1c713b4cfec5d firefox-102.8.0-2.el7.centos.i686.rpm
74484befc2ade710df325b9af62b87ffaef3b2b13a00935396297467ec8e98a8 firefox-102.8.0-2.el7.centos.x86_64.rpm

Source:
0f8e5aaf9fe71a7e8c1aae8df88aaeaf36e719fba4446bf0d1de74636047283b firefox-102.8.0-2.el7.centos.src.rpm