An openldap bugfix update has been released for CentOS 7.

CEBA-2021:3334 CentOS 7 openldap BugFix Update

CentOS Errata and Bugfix Advisory 2021:3334

Upstream details at :   https://access.redhat.com/errata/RHBA-2021:3334

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

x86_64:
912bd6993c1df63e3c9381201d80fe8178c75ff27aeb3b45999e28983222ff86 openldap-2.4.44-24.el7_9.i686.rpm
4d12827b417a44adfb6029689a3750767d051d27bb01400addcf87233d9c73aa openldap-2.4.44-24.el7_9.x86_64.rpm
cc0d2cbf6bd6a4619b82b4666f297b6d0d894f6e665d587919aeb24e013118a5 openldap-clients-2.4.44-24.el7_9.x86_64.rpm
ae3c48f21e37c807df89c63a1fa1216f44279908239b46e4dc5f7fc63160d0dd openldap-devel-2.4.44-24.el7_9.i686.rpm
9711433d3deaee69fd66f5b86d352d4250222cc0624b6a64b1cab5215d69348b openldap-devel-2.4.44-24.el7_9.x86_64.rpm
8f4f01e9c17c3579c8a8e8757582b5911c301c9f5219d0fa56b868db7964640f openldap-servers-2.4.44-24.el7_9.x86_64.rpm
2a6f1dc296b8103e565b9c2b18d2f04ed098a133f239f299f974b5430b5cda97 openldap-servers-sql-2.4.44-24.el7_9.x86_64.rpm

Source:
d9e03e7eb56351d1e58f69e6dc23937dfbf1403273e7985e7fa30d78cd2b65d4 openldap-2.4.44-24.el7_9.src.rpm