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-rw-r--r--libavcodec/xan.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/xan.c b/libavcodec/xan.c
index 3965617838..54d6d15da4 100644
--- a/libavcodec/xan.c
+++ b/libavcodec/xan.c
@@ -553,6 +553,11 @@ static int xan_decode_frame(AVCodecContext *avctx,
}
buf_size = buf_end - buf;
}
+ if (s->palettes_count <= 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "No palette found\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if ((ret = avctx->get_buffer(avctx, &s->current_frame))) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;