Some addendum, please have a look at https://www.viathinksoft.de/~daniel-marschall/asn.1/oid_facts.html <https://www.viathinksoft.de/%7Edaniel-marschall/asn.1/oid_facts.html> , section 5.7 . There is another bug presented, where OpenSSL does not check illegally padded 0x80 OIDs for correctness. This creates a DER hex-dump visible inside the text-output.
smime.p7s
Description: S/MIME cryptographic signature