PowerDNS 4.9.17 is affected by a high-severity denial-of-service vulnerability
PowerDNS 4.9.17 is affected by a high-severity denial-of-service vulnerability tracked as CVE-2026-73206 (PowerDNS Security Advisory 2026-13). [1]
Vulnerability Details (CVE-2026-73206)
- Advisory: PowerDNS Security Advisory 2026-13
- CVE: CVE-2026-73206
- Severity: High (CVSS Score: 7.5)
- Affected Versions: PowerDNS Authoritative Server up to and including 4.9.17, 5.0.7, and 5.1.4
- Not Affected / Fixed Versions: PowerDNS Authoritative Server 4.9.18, 5.0.8, and 5.1.5
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Hey there! Our security team is aware of this issue and we're tracking that as part of case CPANEL-58049. Their release names are always a bit confusing as "PowerDNS Authoritative Server" isn't actually the same package that runs the DNS on cPanel systems, although it seems like we still could be effected by this.
I have linked this thread to the case so if I hear update on my end I'll be sure to post!
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