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Vulnerability record · CVE-2019-10203 · published 22 November 2019

CVE-2019-10203: Powerdns authoritative server vulnerability

Powerdns · Authoritative Server

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

4.3 CVSS 3.1 Medium EPSS 1.6% · top 25.9% CWE-681 · CWE-681
4.3CVSS 3.1 base score, v2 4.0
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10203 Issue TrackingThird Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-06.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10203 Issue TrackingThird Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-06.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-3871Powerdns authoritative server improper input validation vulnerabilityA vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user whe…EPSS 13%7.5CVE-2022-27227Powerdns authoritative server vulnerabilityIn PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and…EPSS 5.0%7.5CVE-2021-36754PowerDNS Authoritative Server crash via QTYPE 65535 queryPowerDNS Authoritative Server 4.5.0 before 4.5.1 crashes when it receives a query with QTYPE 65535, which triggers an out-of-bounds exception. The fl…EPSS 65%analysed6.8CVE-2016-6172Opensuse leap uncontrolled resource consumption vulnerabilityPowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary…EPSS 3.8%6.4CVE-2008-3337Powerdns authoritative server improper input validation vulnerabilityPowerDNS Authoritative Server before 2.9.21.1 drops malformed queries, which might make it easier for remote attackers to poison DNS caches of other …EPSS 6.1%5.0CVE-2012-0206Powerdns authoritative server vulnerabilitycommon_startup.cc in PowerDNS (aka pdns) Authoritative Server before 2.9.22.5 and 3.x before 3.0.1 allows remote attackers to cause a denial of servi…EPSS 5.3%

Source: NIST National Vulnerability Database (record CVE-2019-10203), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.