[SECURITY] [DLA 928-1] libsndfile security update

Package : libsndfile
Version : 1.0.25-9.1+deb7u1
CVE ID : CVE-2015-7805 CVE-2017-7585 CVE-2017-7586 CVE-2017-7741
CVE-2017-7742
Debian Bug : 860255

Multiple vulnerabilities were found in libsndfile, a popular library
for reading/writing audio files.

CVE-2017-7585

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()"
function (flac.c) can be exploited to cause a stack-based buffer
overflow via a specially crafted FLAC file.

CVE-2017-7586

In libsndfile before 1.0.28, an error in the "header_read()"
function (common.c) when handling ID3 tags can be exploited to
cause a stack-based buffer overflow via a specially crafted FLAC
file.

CVE-2017-7741

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()"
function (flac.c) can be exploited to cause a segmentation
violation (with write memory access) via a specially crafted FLAC
file during a resample attempt, a similar issue to CVE-2017-7585.

CVE-2017-7742

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()"
function (flac.c) can be exploited to cause a segmentation
violation (with read memory access) via a specially crafted FLAC
file during a resample attempt, a similar issue to
CVE-2017-7585.

CVE-2014-9496

The sd2_parse_rsrc_fork function in sd2.c in libsndfile allows
attackers to have unspecified impact via vectors related to a (1)
map offset or (2) rsrc marker, which triggers an out-of-bounds
read.

CVE-2014-9756

The psf_fwrite function in file_io.c in libsndfile allows
attackers to cause a denial of service (divide-by-zero error and
application crash) via unspecified vectors related to the
headindex variable.

CVE-2015-7805

Heap-based buffer overflow in libsndfile 1.0.25 allows remote
attackers to have unspecified impact via the headindex value in
the header in an AIFF file.

For Debian 7 "Wheezy", these problems have been fixed in version
1.0.25-9.1+deb7u1.

We recommend that you upgrade your libsndfile packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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