RHSA-2021:4838 — Security Advisory
Red Hat Security Advisory: mailman:2.1 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 24, 2021
Updated · September 8, 2026
Topic
An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Mailman is a program used to help manage e-mail discussion lists.
Security Fix(es):
-
mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)
-
mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.