Home / mailings [SECURITY] [DSA 6420-1] pdns security update
Posted on 08 August 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6420-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
August 08, 2026 https://www.debian.org/security/faq
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Package : pdns
CVE ID : CVE-2026-52682
A vulnerability was discovered in PowerDNS Authoritative server
("pdns"), which may result in denial of service (increased memory and
CPU usage) when processing a specially crafted DNS packet.
For the stable distribution (trixie), this problem has been fixed in
version 4.9.17-0+deb13u1.
We recommend that you upgrade your pdns packages.
For the detailed security status of pdns please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/pdns
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
