Home / mailings [SECURITY] [DSA 6071-1] unbound security update
Posted on 04 December 2025
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6071-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
December 04, 2025 https://www.debian.org/security/faq
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Package : unbound
CVE ID : CVE-2025-11411
It was discovered that incorrect handling of promiscuous NS RRSets in
Unbound, a validating, recursive, caching DNS resolver, could result in
cache poisoning.
For the stable distribution (trixie), this problem has been fixed in
version 1.22.0-2+deb13u1.
We recommend that you upgrade your unbound packages.
For the detailed security status of unbound please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/unbound
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
