A httpcomponents-client security update has been released for Debian GNU/Linux 10 to address an issue where HttpComponents could misinterpret a malformed authority component in a request URI and pick the wrong target host for request execution.

DSA 4772-1: httpcomponents-client security update

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Debian Security Advisory DSA-4772-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
October 14, 2020   https://www.debian.org/security/faq
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Package : httpcomponents-client
CVE ID : CVE-2020-13956

Priyank Nigam discovered that HttpComponents Client, a Java HTTP agent
implementation, could misinterpret malformed authority component in a
request URI and pick the wrong target host for request execution.

For the stable distribution (buster), this problem has been fixed in
version 4.5.7-1+deb10u1.

We recommend that you upgrade your httpcomponents-client packages.

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

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/