Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
---
libavcodec/wmadec.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 5600f9b..41b2a8e 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -873,6 +873,8 @@ static int wma_decode_superframe(AVCodecContext *avctx,
void *data,
/* read each frame starting from bit_offset */
pos = bit_offset + 4 + 4 + s->byte_offset_bits + 3;
+ if (pos >= MAX_CODED_SUPERFRAME_SIZE * 8)
+ return AVERROR_INVALIDDATA;
init_get_bits(&s->gb, buf + (pos >> 3), (MAX_CODED_SUPERFRAME_SIZE -
(pos >> 3))*8);
len = pos & 7;
if (len > 0)
--
1.7.7.3
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