From 03baa861eae418a4a42752c4264dada1e087930d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 4 May 2015 13:33:16 +0200 Subject: [PATCH] avcodec/ffv1dec: More completely check micro_version Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 621aac7bdb..2463876037 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -528,6 +528,8 @@ static int read_extra_header(FFV1Context *f) if (f->version > 2) { c->bytestream_end -= 4; f->micro_version = get_symbol(c, state, 0); + if (f->micro_version < 0) + return AVERROR_INVALIDDATA; } f->ac = f->avctx->coder_type = get_symbol(c, state, 0); if (f->ac > 1) {