Resource management error in PowerDNS Authoritative - CVE-2012-0206
Published: June 21, 2025
Vulnerability identifier: #VU111735
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0206
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in common_startup.cc. A remote attacker can send specially crafted UDP responses to the server and perform a denial of service (DoS) attack.
Affected software
PowerDNS Authoritative
Gentoo Linux
Fedora
pdns
net-dns/pdns
Gentoo Linux
Fedora
pdns
net-dns/pdns
How to mitigate CVE-2012-0206
Install updates from vendor's website.
PowerDNS Authoritative - addressed in versions 2.9.22.5, 3.0.1
pdns - addressed in versions 2.9.22-4.el5, 2.9.22.5-1.el6, 2.9.22.6-1.el6
net-dns/pdns - update to 3.0.1
pdns - addressed in versions 2.9.22-4.el5, 2.9.22.5-1.el6, 2.9.22.6-1.el6
net-dns/pdns - update to 3.0.1