Vulnerability Report

CVE-2009-4009

Title: Powerdns Recursor RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2009-4009.

CWE Category CWE-119

Published Date Jan 08, 2010

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 10.0 CVSS v2.0

Exploit Probability (EPSS)

17.57%

Vulnerability Summary

CVE-2009-4009: Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted packets.

Impacted Vendors

powerdns 1

Reference Links

http://doc.powerdns.com/powerdns-advisory-2010-01.html http://secunia.com/advisories/38004 http://secunia.com/advisories/38068 http://securitytracker.com/id?1023403 http://www.securityfocus.com/archive/1/508743/100/0/threaded http://www.securityfocus.com/bid/37650 http://www.vupen.com/english/advisories/2010/0054 https://bugzilla.redhat.com/show_bug.cgi?id=552285 https://exchange.xforce.ibmcloud.com/vulnerabilities/55438 https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00217.html https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00228.html http://doc.powerdns.com/powerdns-advisory-2010-01.html http://secunia.com/advisories/38004 http://secunia.com/advisories/38068 http://securitytracker.com/id?1023403 http://www.securityfocus.com/archive/1/508743/100/0/threaded http://www.securityfocus.com/bid/37650 http://www.vupen.com/english/advisories/2010/0054 https://bugzilla.redhat.com/show_bug.cgi?id=552285 https://exchange.xforce.ibmcloud.com/vulnerabilities/55438 https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00217.html https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00228.html

CVSS v2.0

Source Entity [email protected]

Severity HIGH

10.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-4009 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

January 08, 2010 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.