31 lines
870 B
Diff
31 lines
870 B
Diff
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From 98461501f4272822c310e18d74d5dc3e4b51631f Mon Sep 17 00:00:00 2001
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From: maryam ebrahimzadeh <me22bee@outlook.com>
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Date: Tue, 2 Jul 2024 15:50:54 +0800
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Subject: [PATCH] CVE-2021-38171
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---
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libavformat/adtsenc.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/libavformat/adtsenc.c b/libavformat/adtsenc.c
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index 3c2840c..3807d67 100644
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--- a/libavformat/adtsenc.c
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+++ b/libavformat/adtsenc.c
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@@ -50,9 +50,11 @@ static int adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, const ui
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GetBitContext gb;
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PutBitContext pb;
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MPEG4AudioConfig m4ac;
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- int off;
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+ int off, ret;
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- init_get_bits(&gb, buf, size * 8);
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+ ret = init_get_bits8(&gb, buf, size);
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+ if (ret < 0)
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+ return ret;
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off = avpriv_mpeg4audio_get_config(&m4ac, buf, size * 8, 1);
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if (off < 0)
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return off;
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--
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2.43.0
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