A pki-core bugfix update has been released for CentOS 7.

CEBA-2021:2315 CentOS 7 pki-core BugFix Update

CentOS Errata and Bugfix Advisory 2021:2315

Upstream details at :   https://access.redhat.com/errata/RHBA-2021:2315

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

x86_64:
61ec99762a4cb0f13335876298ef0c38a6f690949282991213f5505233899d63 pki-base-10.5.18-14.el7_9.noarch.rpm
ea213c63260f95219614321b7530531b4a081af5c6ae3749a8ed600ba0507ddb pki-base-java-10.5.18-14.el7_9.noarch.rpm
e651cd64c12f15c06125f138481787d6ec5290b1c58e9c8b7898b52c10c8441a pki-ca-10.5.18-14.el7_9.noarch.rpm
928ac4b150a768535d5d82dad1f8f4549ff8ef568798b62c65debe00f659767d pki-javadoc-10.5.18-14.el7_9.noarch.rpm
fa1ad496790644bccab3140b7f585dd72d55f3d0b242ec69cf7c2939b91b468b pki-kra-10.5.18-14.el7_9.noarch.rpm
f807177c77f5b66e10ff872d87a5651796c519c8d3b788ad034ec80c6c71e89f pki-server-10.5.18-14.el7_9.noarch.rpm
50d0381894cd1165df39084b17a13d53f360ad62fcfdcffb2c1b16a1684643ac pki-symkey-10.5.18-14.el7_9.x86_64.rpm
f6b64e5a20d4a11fbbe440a1ef9cc7566bba9bb10dcf6852b1d53148fdcf01b6 pki-tools-10.5.18-14.el7_9.x86_64.rpm

Source:
fd39a5a5399769aaf2609c52169e157ac973a273509d2089b295ed846b2575ce pki-core-10.5.18-14.el7_9.src.rpm