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cinepak: check strip_size

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2011-11-16 17:21:42 +01:00
parent f35f50b311
commit cea0c82d9b
1 changed files with 2 additions and 0 deletions
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2
libavcodec/cinepak.c
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@@ -375,6 +375,8 @@ static int cinepak_decode (CinepakContext *s)
s->frame.key_frame = 1; s->frame.key_frame = 1;
strip_size = AV_RB24 (&s->data[1]) - 12; strip_size = AV_RB24 (&s->data[1]) - 12;
if(strip_size < 0)
return -1;
s->data += 12; s->data += 12;
strip_size = ((s->data + strip_size) > eod) ? (eod - s->data) : strip_size; strip_size = ((s->data + strip_size) > eod) ? (eod - s->data) : strip_size;