CVE-2009-4009

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 17.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-01-08 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

PowerDNS Recursor: through 3.1.7.2; 2.0_rc1, 2.8, 2.9.15, 2.9.16, 2.9.17, 2.9.18 (+11)

References

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

Get alerted when CVE-2009-4009 or the next vulnerability affects your stack