From bdeb61ccc67911cfc5e20c7cfb1312d0501ca90a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 21 Feb 2013 15:00:59 +0100 Subject: h264: check that luma and chroma depth match Fixes out of array access Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/h264_ps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec') diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index 49ba82e..2575293 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -380,7 +380,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){ } sps->bit_depth_luma = get_ue_golomb(&h->gb) + 8; sps->bit_depth_chroma = get_ue_golomb(&h->gb) + 8; - if (sps->bit_depth_luma > 14U || sps->bit_depth_chroma > 14U) { + if (sps->bit_depth_luma > 14U || sps->bit_depth_chroma > 14U || sps->bit_depth_luma != sps->bit_depth_chroma) { av_log(h->avctx, AV_LOG_ERROR, "illegal bit depth value (%d, %d)\n", sps->bit_depth_luma, sps->bit_depth_chroma); goto fail; -- cgit v1.1