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fix CVE-2021-4156

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(cherry picked from commit bc6d47cdf16a986500e7409480551b818b9e353c)
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zhouwenpei 2022-05-16 16:53:51 +08:00 committed by openeuler-sync-bot
parent f88c7d0044
commit 87f9e7c293
2 changed files with 31 additions and 2 deletions
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25
0002-CVE-2021-4156.patch Normal file
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@ -0,0 +1,25 @@
From ced91d7b971be6173b604154c39279ce90ad87cc Mon Sep 17 00:00:00 2001
From: yuan <ssspeed00@gmail.com>
Date: Tue, 20 Apr 2021 16:16:32 +0800
Subject: [PATCH] flac: Fix improper buffer reusing (#732)
---
src/flac.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/flac.c b/src/flac.c
index 64d0172e6..e33204505 100644
--- a/src/flac.c
+++ b/src/flac.c
@@ -948,7 +948,11 @@ flac_read_loop (SF_PRIVATE *psf, unsigned len)
/* Decode some more. */
while (pflac->pos < pflac->len)
{ if (FLAC__stream_decoder_process_single (pflac->fsd) == 0)
+ { psf_log_printf (psf, "FLAC__stream_decoder_process_single returned false\n") ;
+ /* Current frame is busted, so NULL the pointer. */
+ pflac->frame = NULL ;
break ;
+ } ;
state = FLAC__stream_decoder_get_state (pflac->fsd) ;
if (state >= FLAC__STREAM_DECODER_END_OF_STREAM)
{ psf_log_printf (psf, "FLAC__stream_decoder_get_state returned %s\n", FLAC__StreamDecoderStateString [state]) ;

8
libsndfile.spec
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@ -1,6 +1,6 @@
Name: libsndfile
Version: 1.0.31
Release: 1
Release: 2
Summary: Library for reading and writing sound files
License: LGPLv2+ and GPLv2+ and BSD
URL: http://libsndfile.github.io/libsndfile
@ -10,7 +10,8 @@ BuildRequires: alsa-lib-devel gcc gcc-c++ flac-devel
BuildRequires: libogg-devel libtool libvorbis-devel pkgconfig
BuildRequires: sqlite-devel
Patch1: 0001-CVE-2021-3246.patch
Patch1: 0001-CVE-2021-3246.patch
Patch2: 0002-CVE-2021-4156.patch
%description
Libsndfile is a C library for reading and writing files containing
@ -115,6 +116,9 @@ LD_LIBRARY_PATH=$PWD/src/.libs make check
%{_mandir}/man1/sndfile-salvage.1*
%changelog
* Mon May 16 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 1.0.31-2
- fix CVE-2021-4156
* Wed Dec 1 2021 zhouwenpei <zhouwenpei1@huawei.com> - 1.0.31-1
- update to 1.0.31