httpd fails to start with double free after updating to openssl-1.0.2k-23.el7_9

Issue

• We updated openssl to openssl-1.0.2k-23.el7_9. After this, httpd is no longer able to start and error_logs show double free back traces like the following:

  *** Error in `/usr/sbin/httpd': double free or corruption (fasttop): 0x00005637ad2df900 ***
  ======= Backtrace: =========
  /lib64/libc.so.6(+0x81329)[0x7fae1fa2d329]
  /lib64/libcrypto.so.10(CRYPTO_free+0x1d)[0x7fae149db96d]
  /lib64/libcrypto.so.10(sk_pop_free+0x30)[0x7fae14a93360]
  /lib64/libcrypto.so.10(+0x170ed5)[0x7fae14added5]
  /lib64/libcrypto.so.10(X509_get1_ocsp+0x80)[0x7fae14ade120]
  /etc/httpd/modules/mod_ssl.so(+0x22afb)[0x7fae15064afb]
  /etc/httpd/modules/mod_ssl.so(+0xfb0e)[0x7fae15051b0e]
  /etc/httpd/modules/mod_ssl.so(+0x116ee)[0x7fae150536ee]
  /etc/httpd/modules/mod_ssl.so(+0x128ec)[0x7fae150548ec]
  /usr/sbin/httpd(ap_run_post_config+0x59)[0x5637ab0fab69]
  /usr/sbin/httpd(main+0x8b8)[0x5637ab0d7ec8]
  /lib64/libc.so.6(__libc_start_main+0xf5)[0x7fae1f9ce555]
  /usr/sbin/httpd(+0x1f1df)[0x5637ab0d81df]