A libopenmpt security update has been released for Debian GNU/Linux 9 LTS to address a buffer overflow.

DLA 2308-1: libopenmpt security update

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Debian LTS Advisory DLA-2308-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
August 02, 2020   https://wiki.debian.org/LTS
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Package : libopenmpt
Version : 0.2.7386~beta20.3-3+deb9u4
CVE ID : CVE-2019-17113

In libopenmpt before 0.3.19 and 0.4.x before 0.4.9,
ModPlug_InstrumentName and ModPlug_SampleName in libopenmpt_modplug.c
do not restrict the lengths of libmodplug output-buffer strings in
the C API, leading to a buffer overflow.

For Debian 9 stretch, this problem has been fixed in version
0.2.7386~beta20.3-3+deb9u4.

We recommend that you upgrade your libopenmpt packages.

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

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

Best,
Utkarsh