wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASNBOOLEAN byte is mishandled for a crafted DER certificate in GetLengthex.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-15651.json"