Debian: Unbound Critical Cache Poisoning Fix DSA-6071-1 CVE-2025-11411
debian
December 4, 2025
It was discovered that incorrect handling of promiscuous NS RRSets in Unbound, a validating, recursive, caching DNS resolver, could result in cache poisoning
Topics Covered
Summary
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/source-package/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/
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Critical
Package: unbound
CVE ID: CVE-2025-11411
Topics Covered
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