diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c index 917e04be47..727354defa 100644 --- a/libavcodec/vqavideo.c +++ b/libavcodec/vqavideo.c @@ -164,6 +164,11 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx) s->codebook = av_malloc(s->codebook_size); s->next_codebook_buffer = av_malloc(s->codebook_size); + if (s->width % s->vector_width || s->height % s->vector_height) { + av_log(avctx, AV_LOG_ERROR, "Picture dimensions are not a multiple of the vector size\n"); + return AVERROR_INVALIDDATA; + } + /* initialize the solid-color vectors */ if (s->vector_height == 4) { codebook_index = 0xFF00 * 16;