A qemu security update has been released for Debian GNU/Linux 10 to address multiple security issues, which could result in denial of service or the execution of arbitrary code.

DSA 4665-1: qemu security update

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Debian Security Advisory DSA-4665-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
April 27, 2020 https://www.debian.org/security/faq
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Package : qemu
CVE ID : CVE-2019-12068 CVE-2019-15034 CVE-2019-20382 CVE-2020-1983

Multiple security issues were discovered in QEMU, a fast processor emulator,
which could result in denial of service or the execution of arbitrary code.

For the stable distribution (buster), these problems have been fixed in
version 1:3.1+dfsg-8+deb10u5.

We recommend that you upgrade your qemu packages.

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

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/