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- ------------------------------------------------------------------------- Debian Security Advisory DSA-4970-1
security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff September 09, 2021
https://www.debian.org/security/faq
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Package : postorius
CVE ID : CVE-2021-40347
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
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
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