A thunderbird security update security update has been released for CentOS 7.

CESA-2023:1806 Important CentOS 7 thunderbird Security Update

CentOS Errata and Security Advisory 2023:1806 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2023:1806

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

x86_64:
18d655d9234417eb4a995a66801cb9c7ac35362aadaa734d8674f8e744986b8f thunderbird-102.10.0-2.el7.centos.x86_64.rpm

Source:
70d971745070e8ad2dcd09c8569fa54715616898dd3013c7833cb9ce229383ad thunderbird-102.10.0-2.el7.centos.src.rpm