diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 2e84f7858..dfa1f71e7 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -1118,6 +1118,12 @@ X509 Certificate ASN1 (RSA signature, EC key)
 depends_on:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP192R1_ENABLED:MBEDTLS_SHA1_C
 x509parse_crt:"3081E430819F020104300D06092A864886F70D0101050500300F310D300B0603550403130454657374301E170D3133303731303135303233375A170D3233303730383135303233375A300F310D300B06035504031304546573743049301306072A8648CE3D020106082A8648CE3D03010103320004E962551A325B21B50CF6B990E33D4318FD16677130726357A196E3EFE7107BCB6BDC6D9DB2A4DF7C964ACFE81798433D300D06092A864886F70D01010505000331001A6C18CD1E457474B2D3912743F44B571341A7859A0122774A8E19A671680878936949F904C9255BDD6FFFDB33A7E6D8":"cert. version     \: 1\nserial number     \: 04\nissuer name       \: CN=Test\nsubject name      \: CN=Test\nissued  on        \: 2013-07-10 15\:02\:37\nexpires on        \: 2023-07-08 15\:02\:37\nsigned using      \: RSA with SHA1\nEC key size       \: 192 bits\n":0
 
+X509 Certificate ASN1 (invalid version 3)
+x509parse_crt:"30173015a0030201038204deadbeef30080604cafed00d0500":"":MBEDTLS_ERR_X509_UNKNOWN_VERSION
+
+X509 Certificate ASN1 (invalid version overflow)
+x509parse_crt:"301A3018a00602047FFFFFFF8204deadbeef30080604cafed00d0500":"":MBEDTLS_ERR_X509_UNKNOWN_VERSION
+
 X509 CRL ASN1 (Incorrect first tag)
 x509parse_crl:"":"":MBEDTLS_ERR_X509_INVALID_FORMAT