An openvswitch security update has been released for Debian GNU/Linux 10 to address a denial-of-service issue.

DSA 4852-1: openvswitch security update

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Debian Security Advisory DSA-4852-1 security@debian.org
  https://www.debian.org/security/ Sebastien Delafond
February 15, 2021   https://www.debian.org/security/faq
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Package : openvswitch
CVE ID : CVE-2020-35498
Debian Bug : 982493

Joakim Hindersson discovered that Open vSwitch, a software-based
Ethernet virtual switch, allowed a malicious user to cause a
denial-of-service by sending a specially crafted packet.

For the stable distribution (buster), this problem has been fixed in
version 2.10.7+ds1-0+deb10u1.

We recommend that you upgrade your openvswitch packages.

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

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/