From 7fff64e00d886fde11d61958888c82b461cf99b9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 15 Dec 2011 02:43:03 +0100 Subject: [PATCH] h264: check chroma_format_idc range. Fixes Ticket758 Bug found by: Diana Elena Muscalu Signed-off-by: Michael Niedermayer --- libavcodec/h264_ps.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index 3184cadb21..f87957673d 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -347,6 +347,10 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){ if(sps->profile_idc >= 100){ //high profile sps->chroma_format_idc= get_ue_golomb_31(&s->gb); + if (sps->chroma_format_idc > 3U) { + av_log(h->s.avctx, AV_LOG_ERROR, "chroma_format_idc %d is illegal\n", sps->chroma_format_idc); + goto fail; + } if(sps->chroma_format_idc == 3) sps->residual_color_transform_flag = get_bits1(&s->gb); sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8;