A xterm security update has been released for CentOS 7.

CESA-2021:0617 Important CentOS 7 xterm Security Update

CentOS Errata and Security Advisory 2021:0617 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2021:0617

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

x86_64:
1e384389a357083eef224ca9752df57e665959920ecfd6720d9f58d63924b0b8 xterm-295-3.el7_9.1.x86_64.rpm

Source:
731fbbdc815f353f3ee2c0ecd07f9da0bf66f70734dc6d4c32f4eca4671dde2d xterm-295-3.el7_9.1.src.rpm