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Fedora 44 pdns Critical DoS Issues Advisory FEDORA-2026-f416c4ba87

fedora
Calendar Grey May 6, 2026
Dist Fedora Esm H88
Update for Fedora 44 PowerDNS addresses DoS and database corruption issues from CVE-2026 vulnerabilities.
Update to 5.0.4 Release notes: https://doc.powerdns.com/authoritative/changelog/5.0.html#change-5.0.4 Security advisory: https://docs.powerdns.com/authoritative/security- advisorie...

Summary

The PowerDNS Nameserver is a modern, advanced and high performance

authoritative-only name server. It is written from scratch and conforms

to all relevant DNS standards documents.

Furthermore, PowerDNS interfaces with almost any database.

Update Information:

Update to 5.0.4 Release notes: https://doc.powerdns.com/authoritative/changelog/5.0.html#change-5.0.4 Security advisory: https://docs.powerdns.com/authoritative/security- advisories/powerdns-advisory-2026-05.html

Topics%20covered

Topics Covered

security advisory denial of service fedora powerdns cve-2026-33610 cve-2026-33611

Change Log

* Sun Apr 26 2026 Morten Stevens - 5.0.4-1 - Update to 5.0.4

References


[ 1 ] Bug #2461770 - CVE-2026-33610 pdns: PowerDNS: Denial of Service due to file descriptor exhaustion from rogue primary server DNS update requests [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2461770 [ 2 ] Bug #2461772 - CVE-2026-33611 pdns: PowerDNS: Database corruption due to invalid record data [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2461772 [ 3 ] Bug #2461775 - CVE-2026-33609 pdns: PowerDNS: Information disclosure via incomplete LDAP query escaping [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2461775

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f416c4ba87' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
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Critical

Name: pdns
Product: Fedora 44
Version: 5.0.4
Release: 1.fc44
URL: http://powerdns.com
Summary: A modern, advanced and high performance authoritative-only name server

Topics%20covered

Topics Covered

security advisory denial of service fedora powerdns cve-2026-33610 cve-2026-33611

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