A libmediainfo security update has been released for Debian GNU/Linux 9 LTS to address a number of vulnerabilities.

DLA 2603-1: libmediainfo security update

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Debian LTS Advisory DLA-2603-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Chris Lamb
March 23, 2021   https://wiki.debian.org/LTS
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Package : libmediainfo
Version : 0.7.91-1+deb9u1
CVE IDs : CVE-2019-11372
: CVE-2019-11373
: CVE-2020-15395
: CVE-2020-26797
Debian Bugs : #927672, #967073 & #985554

It was discovered that there were a number of vulnerabilities in
libmediainfo, a library reading metadata such as track names,
lengths, etc. from media files.

For Debian 9 "Stretch", these problems have been fixed in version
0.7.91-1+deb9u1.

We recommend that you upgrade your libmediainfo packages.

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

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