From 2e23af940d5dae9ef56ba8ba0c745bf56c3545fd Mon Sep 17 00:00:00 2001
From: Doug Benedict <doub@cypress.com>
Date: Wed, 20 Sep 2017 14:30:42 -0700
Subject: Make sure there are enough bits when reading ADTS header.

---
 libMpegTPDec/src/tpdec_adts.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libMpegTPDec/src')

diff --git a/libMpegTPDec/src/tpdec_adts.cpp b/libMpegTPDec/src/tpdec_adts.cpp
index 6dc0275..d6fac21 100644
--- a/libMpegTPDec/src/tpdec_adts.cpp
+++ b/libMpegTPDec/src/tpdec_adts.cpp
@@ -181,6 +181,9 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts,
   FDKmemcpy(&oldPce, &pAsc->m_progrConfigElement, sizeof(CProgramConfig));
 
   valBits = FDKgetValidBits(hBs);
+  if (valBits < ADTS_HEADERLENGTH) {
+    return TRANSPORTDEC_NOT_ENOUGH_BITS;
+  }
 
   /* adts_fixed_header */
   bs.mpeg_id = FDKreadBits(hBs, Adts_Length_Id);
-- 
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