A ruby-sidekiq security update has been released for Debian GNU/Linux 9 LTS to address multiple vulnerabilities.

DLA 2943-1: ruby-sidekiq security update

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Debian LTS Advisory DLA-2943-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
March 10, 2022   https://wiki.debian.org/LTS
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Package : ruby-sidekiq
Version : 4.2.3+dfsg-1+deb9u1
CVE ID : CVE-2021-30151 CVE-2022-23837
Debian Bug : 987354 1004193

ruby-sidekiq, a simple, efficient background processing for Ruby,
had a couple of vulnerabilities as follows:

CVE-2021-30151

Sidekiq allows XSS via the queue name of the live-poll feature
when Internet Explorer is used.

CVE-2022-23837

In api.rb in Sidekiq, there is no limit on the number of days
when requesting stats for the graph. This overloads the system,
affecting the Web UI, and makes it unavailable to users.

For Debian 9 stretch, these problems have been fixed in version
4.2.3+dfsg-1+deb9u1.

We recommend that you upgrade your ruby-sidekiq packages.

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

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