From ebf6d1d295debe112b990bea772f26a0441af079 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 17 Apr 2012 19:32:04 +0200
Subject: [PATCH] nuv: check buffer size before checking content.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/nuv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 4bc236dce2..bb236d1edf 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -191,7 +191,7 @@ retry:
     }
     if (c->codec_frameheader) {
         int w, h, q, res;
-        if (buf[0] != 'V' || buf_size < 12) {
+        if (buf_size < 12 || buf[0] != 'V') {
             av_log(avctx, AV_LOG_ERROR, "invalid nuv video frame (wrong codec_tag?)\n");
             return AVERROR_INVALIDDATA;
         }