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Diffstat (limited to 'libavcodec/hevc_ps.c')
-rw-r--r--libavcodec/hevc_ps.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index 21dbaf85a5..37eae226e2 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -225,6 +225,12 @@ int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
prev = 0;
for (i = 0; i < rps->num_negative_pics; i++) {
delta_poc = get_ue_golomb_long(gb) + 1;
+ if (delta_poc < 1 || delta_poc > 32768) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid value of delta_poc: %d\n",
+ delta_poc);
+ return AVERROR_INVALIDDATA;
+ }
prev -= delta_poc;
rps->delta_poc[i] = prev;
rps->used[i] = get_bits1(gb);
@@ -232,6 +238,12 @@ int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
prev = 0;
for (i = 0; i < nb_positive_pics; i++) {
delta_poc = get_ue_golomb_long(gb) + 1;
+ if (delta_poc < 1 || delta_poc > 32768) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid value of delta_poc: %d\n",
+ delta_poc);
+ return AVERROR_INVALIDDATA;
+ }
prev += delta_poc;
rps->delta_poc[rps->num_negative_pics + i] = prev;
rps->used[rps->num_negative_pics + i] = get_bits1(gb);