diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 14eef9af9b..b920be5c10 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -567,7 +567,7 @@ static int read_extra_header(FFV1Context *f) } f->quant_table_count = get_symbol(c, state, 0); - if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES) + if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) return AVERROR_INVALIDDATA; for (i = 0; i < f->quant_table_count; i++) {