Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
Probably could catch it earlier but I went for the simpler approach.
libavcodec/wmaprodec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index 302f58a..d3bd381 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -436,7 +436,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
for (x = 0; x < num_possible_block_sizes; x++) {
int v = 0;
while (s->sfb_offsets[x][v + 1] << x < offset)
- ++v;
+ if (++v >= MAX_BANDS)
+ return AVERROR_INVALIDDATA;
s->sf_offsets[i][x][b] = v;
}
}
--
1.8.2.1
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