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Debian Trixie pdns-recursor Important DoS Issues DSA-6234-1

debian
Calendar Grey April 28, 2026
Debian Logo
Upgrade pdns-recursor in Debian Trixie to fix multiple important issues risking denial of service.
Multiple vulnerabiliites have been discovered in PDNS Recursor, a resolving name server, which could result in denial of service
Topics%20covered

Topics Covered

security advisory denial of service update debian important pdns-recursor

Summary

For the stable distribution (trixie), these problems have been fixed in
version 5.2.9-0+deb13u1.

We recommend that you upgrade your pdns-recursor packages.

For the detailed security status of pdns-recursor please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/pdns-recursor

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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: pdns-recursor
CVE ID: CVE-2026-33257 CVE-2026-33258 CVE-2026-33259

Topics%20covered

Topics Covered

security advisory denial of service update debian important pdns-recursor

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