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-rw-r--r--libavformat/wc3movie.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/wc3movie.c b/libavformat/wc3movie.c
index 15130d97cd..b5f5c35adf 100644
--- a/libavformat/wc3movie.c
+++ b/libavformat/wc3movie.c
@@ -169,6 +169,8 @@ static int wc3_read_header(AVFormatContext *s,
if ((ret = get_buffer(pb, preamble, 4)) != 4)
return AVERROR_IO;
wc3->palette_count = LE_32(&preamble[0]);
+ if((unsigned)wc3->palette_count >= UINT_MAX / PALETTE_SIZE)
+ return -1;
wc3->palettes = av_malloc(wc3->palette_count * PALETTE_SIZE);
break;