diff --git a/ChangeLog b/ChangeLog
index 3b32873..986eabd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,6 +26,7 @@
    * Fix issue that caused a crash if invalid curves were passed to
      mbedtls_ssl_conf_curves. #373
    * Fix issue in ssl_fork_server which was preventing it from functioning. #429
+   * Fix non compliance SSLv3 in server extension handling.
 
 Changes
    * On ARM platforms, when compiling with -O0 with GCC, Clang or armcc5,
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 9fc21a5..5a51cbb 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -1507,6 +1507,12 @@
         ssl->session_negotiate->compression = MBEDTLS_SSL_COMPRESS_NULL;
 #endif
 
+    /* Do not parse the extensions if the protocol is SSLv3 */
+#if defined(MBEDTLS_SSL_PROTO_SSL3)
+    if( ( ssl->major_ver != 3 ) || ( ssl->minor_ver != 0 ) )
+    {
+#endif
+
     /*
      * Check the extension length
      */
@@ -1692,8 +1698,13 @@
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad client hello message" ) );
             return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
         }
+
     }
 
+#if defined(MBEDTLS_SSL_PROTO_SSL3)
+    }
+#endif
+
 #if defined(MBEDTLS_SSL_FALLBACK_SCSV)
     for( i = 0, p = buf + 41 + sess_len; i < ciph_len; i += 2, p += 2 )
     {
@@ -2363,6 +2374,12 @@
     MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: 0x%02X",
                    ssl->session_negotiate->compression ) );
 
+    /* Do not write the extensions if the protocol is SSLv3 */
+#if defined(MBEDTLS_SSL_PROTO_SSL3)
+    if( ( ssl->major_ver != 3 ) || ( ssl->minor_ver != 0 ) )
+    {
+#endif
+
     /*
      *  First write extensions, then the total length
      */
@@ -2419,6 +2436,10 @@
         p += ext_len;
     }
 
+#if defined(MBEDTLS_SSL_PROTO_SSL3)
+    }
+#endif
+
     ssl->out_msglen  = p - buf;
     ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
     ssl->out_msg[0]  = MBEDTLS_SSL_HS_SERVER_HELLO;