From b226af39107f09cd650875388250f4968eea54db Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Sat, 8 Oct 2011 23:40:39 +0200 Subject: [PATCH] vqavideo: check for invalid/unsupported version Signed-off-by: Michael Niedermayer --- libavcodec/vqavideo.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c index 67721097ef..18efa10cbb 100644 --- a/libavcodec/vqavideo.c +++ b/libavcodec/vqavideo.c @@ -138,6 +138,10 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx) /* load up the VQA parameters from the header */ vqa_header = (unsigned char *)s->avctx->extradata; s->vqa_version = vqa_header[0]; + if (s->vqa_version < 1 || s->vqa_version > 3) { + av_log(s->avctx, AV_LOG_ERROR, " VQA video: unsupported version %d\n", s->vqa_version); + return -1; + } s->width = AV_RL16(&vqa_header[6]); s->height = AV_RL16(&vqa_header[8]); if(av_image_check_size(s->width, s->height, 0, avctx)){