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-rw-r--r--libavcodec/hevc_ps.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index c17ca04350..4e1c56163d 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -525,7 +525,11 @@ static void decode_vui(HEVCContext *s, HEVCSPS *sps)
vui->field_seq_flag = get_bits1(gb);
vui->frame_field_info_present_flag = get_bits1(gb);
- vui->default_display_window_flag = get_bits1(gb);
+ if (get_bits_left(gb) >= 68 && show_bits_long(gb, 21) == 0x100000) {
+ vui->default_display_window_flag = 0;
+ av_log(s->avctx, AV_LOG_WARNING, "Invalid default display window\n");
+ } else
+ vui->default_display_window_flag = get_bits1(gb);
// Backup context in case an alternate header is detected
memcpy(&backup, gb, sizeof(backup));