Check self-signed certificate names and signatures

net/cert/x509_certificate_openssl.cc

Index: net/cert/x509_certificate_openssl.cc
diff --git a/net/cert/x509_certificate_openssl.cc b/net/cert/x509_certificate_openssl.cc
index dc1b4ee6244901ac2bb006e04933903455df05a7..fdd6648e9959be4f252d569fbfee81fa1d24794f 100644
--- a/net/cert/x509_certificate_openssl.cc
+++ b/net/cert/x509_certificate_openssl.cc
@@ -458,7 +458,11 @@ bool X509Certificate::IsSelfSigned(OSCertHandle cert_handle) {
     return false;
 
   // NOTE: X509_verify() returns 1 in case of success, 0 or -1 on error.
-  return X509_verify(cert_handle, scoped_key.get()) == 1;
+  if (X509_verify(cert_handle, scoped_key.get()) != 1)
+    return false;
+
+  // NOTE: x509_check_issued returns X509_V_OK in case of success
+  return X509_check_issued(cert_handle, cert_handle) == X509_V_OK;
 }
 
 }  // namespace net