[FFmpeg-cvslog] avformat/aiffdec: Check sample_rate

Michael Niedermayer git at videolan.org
Wed Apr 6 22:54:58 EEST 2022


ffmpeg | branch: release/4.3 | Michael Niedermayer <michael at niedermayer.cc> | Sun Oct 31 00:02:04 2021 +0200| [e3a69dd7a00aa8d377236ec59610052fc7501f7e] | committer: Michael Niedermayer

avformat/aiffdec: Check sample_rate

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 1b04836dff9958e8bfdbed2746b8c40b1e119ecc)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3a69dd7a00aa8d377236ec59610052fc7501f7e
---

 libavformat/aiffdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index fb5935c746..cb96c02b6f 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -122,6 +122,9 @@ static int get_aiff_header(AVFormatContext *s, int size,
         sample_rate = val << exp;
     else
         sample_rate = (val + (1ULL<<(-exp-1))) >> -exp;
+    if (sample_rate <= 0)
+        return AVERROR_INVALIDDATA;
+
     par->sample_rate = sample_rate;
     if (size < 18)
         return AVERROR_INVALIDDATA;



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