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-rw-r--r--libavcodec/apedec.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index be6edd2f46..1f55dab851 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -489,9 +489,12 @@ static inline int ape_decode_value_3860(APEContext *ctx, GetBitContext *gb,
if (!rice->k)
x = overflow;
- else
+ else if(rice->k <= MIN_CACHE_BITS) {
x = (overflow << rice->k) + get_bits(gb, rice->k);
-
+ } else {
+ av_log(ctx->avctx, AV_LOG_ERROR, "Too many bits: %d\n", rice->k);
+ return AVERROR_INVALIDDATA;
+ }
rice->ksum += x - (rice->ksum + 8 >> 4);
if (rice->ksum < (rice->k ? 1 << (rice->k + 4) : 0))
rice->k--;