[FFmpeg-devel] [PATCH 3/4] cinepak: check strip_size

[Mike Melanson]

> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libavcodec/cinepak.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c
> index 6a8f462..a5458ca 100644
> --- a/libavcodec/cinepak.c
> +++ b/libavcodec/cinepak.c
> @@ -375,6 +375,8 @@ static int cinepak_decode (CinepakContext *s)
>              s->frame.key_frame = 1;
>
>          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;
>
> --
> 1.7.4.1

Yeah, probably a good idea.

--
    -Mike Melanson