Debian Security Advisory
DSA-4970-1 postorius -- security update
- Date Reported:
- 09 Sep 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-40347.
- More information:
Kevin Israel discovered that Postorius, the administrative web frontend for Mailman 3, didn't validate whether a logged-in user owns the email address when unsubscribing.
For the oldstable distribution (buster), this problem has been fixed in version 1.2.4-1+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in version 1.3.4-2+deb11u1.
We recommend that you upgrade your postorius packages.
For the detailed security status of postorius please refer to its security tracker page at: https://security-tracker.debian.org/tracker/postorius