CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2006-4252

First published: Tue Nov 14 2006(Updated: )

PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.

Credit: security@debian.org

Affected SoftwareAffected VersionHow to fix
PowerDNS=3.1
PowerDNS=2.9.18
PowerDNS=2.0_rc1
PowerDNS=3.1.2
PowerDNS=3.0
PowerDNS<=3.1.3
PowerDNS=2.9.15
PowerDNS=3.1.1
PowerDNS=3.0.1
PowerDNS=2.9.17
PowerDNS=2.8
PowerDNS=2.9.16

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2006-4252?

    CVE-2006-4252 is classified as a high severity vulnerability that can lead to denial of service.

  • How do I fix CVE-2006-4252?

    To mitigate CVE-2006-4252, update PowerDNS Recursor to version 3.1.4 or later.

  • What types of attacks does CVE-2006-4252 allow?

    CVE-2006-4252 allows remote attackers to exploit a CNAME record with a zero TTL, causing resource exhaustion and application crashes.

  • Which versions of PowerDNS are affected by CVE-2006-4252?

    CVE-2006-4252 affects PowerDNS Recursor versions up to and including 3.1.3 and several earlier versions.

  • What is the impact of exploiting CVE-2006-4252?

    Exploiting CVE-2006-4252 can result in an infinite loop leading to application crashes and denial of service.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203