A evolution-data-server security update has been released for Debian GNU/Linux 10 to address a response injection vulnerability in Evolution data server, which could enable MITM attacks.

DSA 4725-1: evolution-data-server security update

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Debian Security Advisory DSA-4725-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
July 15, 2020   https://www.debian.org/security/faq
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Package : evolution-data-server
CVE ID : CVE-2020-14928

Damian Poddebniak and Fabian Ising discovered a response injection
vulnerability in Evolution data server, which could enable MITM
attacks.

For the stable distribution (buster), this problem has been fixed in
version 3.30.5-1+deb10u1.

We recommend that you upgrade your evolution-data-server packages.

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

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/