A certmonger bugfix update has been released for CentOS 7.

CEBA-2021:3808 CentOS 7 certmonger BugFix Update

CentOS Errata and Bugfix Advisory 2021:3808

Upstream details at :   https://access.redhat.com/errata/RHBA-2021:3808

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

x86_64:
cad56706d665a1639372b33e26f5e8b2d45d262ba181a414599688a30272bffd certmonger-0.78.4-16.el7_9.x86_64.rpm

Source:
38d9f77d6261989ea298eb72e9bf30589cd412e0c1d19f558b2b6ec5474b030a certmonger-0.78.4-16.el7_9.src.rpm