CVEvulnerability

CVE-2006-4251

7.5 HIGH Published 2006-11-14 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2006-11-14
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

Description

Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.

Affected configurations

• powerdns recursor (<= 3.1.3) • powerdns recursor 2.0 rc1 • powerdns recursor 2.8 • powerdns recursor 2.9.15 • powerdns recursor 2.9.16 • powerdns recursor 2.9.17 • powerdns recursor 2.9.18 • powerdns recursor 3.0 • powerdns recursor 3.0.1 • powerdns recursor 3.1 • powerdns recursor 3.1.1 • powerdns recursor 3.1.2

References