A evolution-data-server security update has been released for Debian GNU/Linux 9 LTS to address a response injection vulnerability in Evolution data server, which could enable MITM attacks.

DLA 2281-1: evolution-data-server security update

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Debian LTS Advisory DLA-2281-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
July 16, 2020   https://wiki.debian.org/LTS
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Package : evolution-data-server
Version : 3.22.7-1+deb9u1
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 Debian 9 stretch, this problem has been fixed in version
3.22.7-1+deb9u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS