From 3123cb5d0b3702b5b874cfba902f9f2debd6d284 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 13 May 2015 01:31:15 +0200 Subject: [PATCH] avcodec/hevc_sei: Check num_sps_ids_minus1 value Fixes CID1271794 Signed-off-by: Michael Niedermayer (cherry picked from commit 93b0ee21a2f534f6d3b812686f3acde110e94f18) Signed-off-by: Michael Niedermayer --- libavcodec/hevc_sei.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/hevc_sei.c b/libavcodec/hevc_sei.c index 5bb5c9010a..13ebcd3ede 100644 --- a/libavcodec/hevc_sei.c +++ b/libavcodec/hevc_sei.c @@ -126,6 +126,11 @@ static int active_parameter_sets(HEVCContext *s) get_bits(gb, 1); // num_sps_ids_minus1 num_sps_ids_minus1 = get_ue_golomb_long(gb); // num_sps_ids_minus1 + if (num_sps_ids_minus1 < 0 || num_sps_ids_minus1 > 15) { + av_log(s->avctx, AV_LOG_ERROR, "num_sps_ids_minus1 %d invalid\n", num_sps_ids_minus1); + return AVERROR_INVALIDDATA; + } + active_seq_parameter_set_id = get_ue_golomb_long(gb); if (active_seq_parameter_set_id >= MAX_SPS_COUNT) { av_log(s->avctx, AV_LOG_ERROR, "active_parameter_set_id %d invalid\n", active_seq_parameter_set_id);