Here’s the command to list what app or package requires OpenSSL.

repoquery --whatrequires --installed --recursive openssl

Result

authconfig-0:6.2.8-30.el7.x86_64
falcon-sensor-0:6.38.0-13501.el7.x86_64
python2-cryptography-0:1.7.2-2.el7.x86_64
realmd-0:0.16.1-12.el7_9.1.x86_64
terraform-0:1.3.6-1.x86_64