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From 4f47b63e9c971e6391590caf00a0f2a5ed612e67 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Sat, 8 Apr 2017 18:34:49 +1000
Subject: [PATCH] stream_decoder.c: Fix a memory leak
Leak reported by Secunia Research.
CVE: CVE-2017-6888
Upstream-Status: Backport [https://git.xiph.org/?p=flac.git;a=commitdiff;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67]
Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>
---
src/libFLAC/stream_decoder.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/libFLAC/stream_decoder.c b/src/libFLAC/stream_decoder.c
index 14d5fe7f..a5527511 100644
--- a/src/libFLAC/stream_decoder.c
+++ b/src/libFLAC/stream_decoder.c
@@ -1753,6 +1753,9 @@ FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__Stre
}
memset (obj->comments[i].entry, 0, obj->comments[i].length) ;
if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->comments[i].entry, obj->comments[i].length)) {
+ /* Current i-th entry is bad, so we delete it. */
+ free (obj->comments[i].entry) ;
+ obj->comments[i].entry = NULL ;
obj->num_comments = i;
goto skip;
}
--
2.13.3
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