The following libvorbis updates has been released for Debian GNU/Linux 8 and 9:

DSA 4140-1: libvorbis security update
DSA 4141-1: libvorbisidec security update

DSA 4140-1: libvorbis security update

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Debian Security Advisory DSA-4140-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 16, 2018 https://www.debian.org/security/faq
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Package : libvorbis
CVE ID : CVE-2018-5146
Debian Bug : 893130

Richard Zhu discovered that an out-of-bounds memory write in the
codeboook parsing code of the Libvorbis multimedia library could result
in the execution of arbitrary code.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.3.4-2+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 1.3.5-4+deb9u2.

We recommend that you upgrade your libvorbis packages.

For the detailed security status of libvorbis please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libvorbis

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

DSA 4141-1: libvorbisidec security update

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Debian Security Advisory DSA-4141-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 16, 2018 https://www.debian.org/security/faq
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Package : libvorbisidec
CVE ID : CVE-2018-5147
Debian Bug : 893132

Huzaifa Sidhpurwala discovered that an out-of-bounds memory write in the
codebook parsing code of the Libtremor multimedia library could result
in the execution of arbitrary code if a malformed Vorbis file is opened.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.0.2+svn18153-1~deb8u2.

For the stable distribution (stretch), this problem has been fixed in
version 1.0.2+svn18153-1+deb9u1.

We recommend that you upgrade your libvorbisidec packages.

For the detailed security status of libvorbisidec please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libvorbisidec

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