Home / mailings [SECURITY] [DSA 6257-1] postorius security update
Posted on 08 May 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6257-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 08, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : postorius
CVE ID : CVE-2026-44742
A cross-site scripting vulnerability was discovered in Postorius, the
administrative web frontend for Mailman 3.
For the oldstable distribution (bookworm), this problem has been fixed
in version 1.3.8-3+deb12u1.
For the stable distribution (trixie), this problem has been fixed in
version 1.3.13-1+deb13u1.
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
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/
Mailing list: debian-security-announce@lists.debian.org
