[SECURITY] [DLA 1368-1] libvorbis security update

Package : libvorbis
Version : 1.3.2-1.3+deb7u1
CVE ID : CVE-2017-11333 CVE-2017-14632 CVE-2017-14633 CVE-2018-5146

Serious vulnerabilities were found in the libvorbis library, commonly
used to encode and decode audio in OGG containers.

2017-14633

 In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read
 vulnerability exists in the function mapping0_forward() in
 mapping0.c, which may lead to DoS when operating on a crafted
 audio file with vorbis_analysis().

2017-14632

 Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon
 freeing uninitialized memory in the function
 vorbis_analysis_headerout() in info.c when vi->channels<=0, a
 similar issue to Mozilla bug 550184.

2017-11333

 The vorbis_analysis_wrote function in lib/block.c in Xiph.Org
 libvorbis 1.3.5 allows remote attackers to cause a denial of
 service (OOM) via a crafted wav file.

2018-5146

 out-of-bounds memory write in the codeboook parsing code of the
 Libvorbis multimedia library could result in the execution of
 arbitrary code.

For Debian 7 "Wheezy", these problems have been fixed in version
1.3.2-1.3+deb7u1.

We recommend that you upgrade your libvorbis 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