On Sat, Sep 29, 2012 at 02:04:59PM +0200, Anton Khirnov wrote:
> From: Michael Niedermayer <[email protected]>
> 
> The decode function assumes that the video will have those dimensions.
> 
> Fixes CVE-2012-2801
> 
> Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> Signed-off-by: Anton Khirnov <[email protected]>
> ---
>  libavcodec/avs.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/libavcodec/avs.c b/libavcodec/avs.c
> index d4e2837..b8ee1e1 100644
> --- a/libavcodec/avs.c
> +++ b/libavcodec/avs.c
> @@ -158,6 +158,7 @@ avs_decode_frame(AVCodecContext * avctx,
>  static av_cold int avs_decode_init(AVCodecContext * avctx)
>  {
>      avctx->pix_fmt = PIX_FMT_PAL8;
> +    avcodec_set_dimensions(avctx, 318, 198);
>      return 0;
>  }
>  
> -- 

probably OK
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