---
 libavcodec/amrnbdec.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/libavcodec/amrnbdec.c b/libavcodec/amrnbdec.c
index fff0e72..5fe746a 100644
--- a/libavcodec/amrnbdec.c
+++ b/libavcodec/amrnbdec.c
@@ -946,6 +946,13 @@ static int amrnb_decode_frame(AVCodecContext *avctx, void 
*data,
     }
     buf_out = (float *)p->avframe.data[0];
 
+    if (buf_size < frame_sizes_nb[p->cur_frame_mode] + 1) {
+        av_log(avctx, AV_LOG_ERROR,
+            "Frame too small (%d bytes). Truncated file?\n", buf_size);
+        *got_frame_ptr = 0;
+        return buf_size;
+    }
+
     p->cur_frame_mode = unpack_bitstream(p, buf, buf_size);
     if (p->cur_frame_mode == MODE_DTX) {
         av_log_missing_feature(avctx, "dtx mode", 1);
-- 
1.7.5.4

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