An open-build-service security update has been released for Debian GNU/Linux 9 LTS to address two security issues.

DLA 2545-1: open-build-service security update

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Debian LTS Advisory DLA-2545-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
February 03, 2021   https://wiki.debian.org/LTS
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Package : open-build-service
Version : 2.7.1-10+deb9u1
CVE ID : CVE-2020-8020 CVE-2020-8021

CVE-2020-8020

An improper neutralization of input during web page generation
vulnerability in open-build-service allows remote attackers to
store arbitrary JS code to cause XSS.

CVE-2020-8021

An improper access control vulnerability in open-build-service
allows remote attackers to read files of an OBS package where
the sourceaccess/access is disabled.

For Debian 9 stretch, these problems have been fixed in version
2.7.1-10+deb9u1.

We recommend that you upgrade your open-build-service packages.

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

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