diff --git a/gst-libs/gst/mpegts/gstmpegtssection.c b/gst-libs/gst/mpegts/gstmpegtssection.c
index cc5e21b2ad..02038a76a0 100644
--- a/gst-libs/gst/mpegts/gstmpegtssection.c
+++ b/gst-libs/gst/mpegts/gstmpegtssection.c
@@ -715,6 +715,11 @@ _parse_pmt (GstMpegtsSection * section)
     i += 1;
   }
 
+  /* Section length was longer than the actual content of the PMT */
+  if (data <= end - 4)
+    goto error;
+
+  /* Ensure we did not read after the end of our array */
   g_assert (data == end - 4);
 
   return (gpointer) pmt;