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-rw-r--r--libavcodec/flicvideo.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 9e35f48e4c..2f8cd33802 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -387,6 +387,11 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)
break;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
+ if (!byte_run) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid byte run value.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if (byte_run > 0) {
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);