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Vulnerability record · CVE-2012-0206 · published 17 February 2012

CVE-2012-0206: Powerdns authoritative server vulnerability

Powerdns · Authoritative Server

common_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 service (packet loop) via a crafted UDP DNS response.

5.0 CVSS 2.0 Medium EPSS 5.3% · top 7.7% CWE-399 · CWE-399
5.0CVSS 2.0 base score
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

common_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 service (packet loop) via a crafted UDP DNS response.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

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

References

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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%4.3CVE-2019-10203Powerdns authoritative server vulnerabilityPowerDNS 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 whi…EPSS 1.6%8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed5.9CVE-2018-0180Cisco IOS Login Block feature denial-of-service via crafted login attemptsMultiple flaws in the Login Enhancements (Login Block) feature of Cisco IOS Software let an unauthenticated remote attacker trigger a reload of the d…KEVEPSS 4.9%analysed

Source: NIST National Vulnerability Database (record CVE-2012-0206), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.