golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

CVE-2019-19272

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer a variable initialized to NULL leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup...