From e9a335150a62bb377a26ce096187b4476145d02b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 7 Nov 2019 21:16:32 +0100
Subject: [PATCH] avformat/mp3dec: Check that the frame fits within the probe
 buffer

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/mp3dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index 6888c88f83..4fde920caf 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -89,7 +89,7 @@ static int mp3_read_probe(const AVProbeData *p)
 
             header = AV_RB32(buf2);
             ret = avpriv_mpegaudio_decode_header(&h, header);
-            if (ret != 0)
+            if (ret != 0 || end - buf2 < h.frame_size)
                 break;
             buf2 += h.frame_size;
             framesizes += h.frame_size;