What’s Vulnerable › Vulnerabilities

CVE-2019-10163

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-30 · updated 2026-06-17
• Weakness: CWE-770

Description

A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured as slaves are affected by this issue.

Affected products

• openSUSE Backports: sle-15, sle-15-sp1
• openSUSE Leap: 15.0, 15.1
• PowerDNS Authoritative: from 4.0.0 before 4.0.8; from 4.1.0 before 4.1.9; 4.1.0 — fixed in 4.0.8, 4.1.9

How to fix

Upgrade to a fixed version: PowerDNS Authoritative 4.0.8, 4.1.9. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00036.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00054.html
• https://blog.powerdns.com/2019/06/21/powerdns-authoritative-server-4-0-8-and-4-1-10-released/
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10163
• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00036.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00054.html
• https://blog.powerdns.com/2019/06/21/powerdns-authoritative-server-4-0-8-and-4-1-10-released/
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10163
• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html

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