Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:[email protected]
---
libavcodec/adx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/adx.c b/libavcodec/adx.c
index 6335865..a9cf4ff 100644
--- a/libavcodec/adx.c
+++ b/libavcodec/adx.c
@@ -48,7 +48,7 @@ int avpriv_adx_decode_header(AVCodecContext *avctx, const
uint8_t *buf,
offset = AV_RB16(buf + 2) + 4;
/* if copyright string is within the provided data, validate it */
- if (bufsize >= offset && memcmp(buf + offset - 6, "(c)CRI", 6))
+ if (bufsize >= offset && offset >= 6 && memcmp(buf + offset - 6, "(c)CRI",
6))
return AVERROR_INVALIDDATA;
/* check for encoding=3 block_size=18, sample_size=4 */
--
1.7.10.4
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