A mailman security update has been released for Debian GNU/Linux 10 to address several vulnerabilities.
DSA 4991-1: mailman security update
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Debian Security Advisory DSA-4991-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 22, 2021 https://www.debian.org/security/faq
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Package : mailman
CVE ID : CVE-2020-12108 CVE-2020-15011 CVE-2021-42096 CVE-2021-42097
Several vulnerabilities were discovered in mailman, a web-based mailing
list manager, which could result in arbitrary content injection via the
options and private archive login pages, and CSRF attacks or privilege
escalation via the user options page.
For the oldstable distribution (buster), these problems have been fixed
in version 1:2.1.29-1+deb10u2.
We recommend that you upgrade your mailman packages.
For the detailed security status of mailman please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/mailman
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/
