From: Michael Niedermayer <[email protected]>

Signed-off-by: Michael Niedermayer <[email protected]>
---
 libavcodec/cinepak.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c
index e66a1c0..a858d6e 100644
--- a/libavcodec/cinepak.c
+++ b/libavcodec/cinepak.c
@@ -370,6 +370,8 @@ static int cinepak_decode (CinepakContext *s)
         s->strips[i].x2 = s->avctx->width;
 
         strip_size = AV_RB24 (&s->data[1]) - 12;
+        if (strip_size < 0)
+            return -1;
         s->data   += 12;
         strip_size = ((s->data + strip_size) > eod) ? (eod - s->data) : 
strip_size;
 
-- 
1.7.3.1

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