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-rw-r--r--libavcodec/vp3.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index bdd4289a49..0340c22bb2 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -2339,6 +2339,8 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
}
for(i=0;i<3;i++) {
+ if (header_len[i] <= 0)
+ continue;
init_get_bits(&gb, header_start[i], header_len[i] * 8);
ptype = get_bits(&gb, 8);