ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu 
Nov  7 21:16:32 2019 +0100| [e9a335150a62bb377a26ce096187b4476145d02b] | 
committer: Michael Niedermayer

avformat/mp3dec: Check that the frame fits within the probe buffer

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e9a335150a62bb377a26ce096187b4476145d02b
---

 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;

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