To close out this issue in the hopes that this will be of use to someone
in the future, Dr. Henson greatly helped in tracking the problem down to
a PHP extension that was calling EVP_cleanup().
"When you have a shared library using OpenSSL and multiple applications
things like algorithm tables etc are common to all of them. So if one
application messes up the tables then it will affect all applications
subsequently. There has been a comment about it in PR#1743"
"You'll only notice issues with Apache if you do something that looks up
message digests from the algorithm table, such as verifying certificate
signatures, which will only happen if you enable client authentication
and not many people do."
Removing the PHP code that triggered EVP_cleanup() resolved our issue.
Thank you Steve!
Jon
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