CVE-2019-3806: High severity powerdns vulnerability

Published Jan 29, 2019
·
Updated

An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.

Affected Software

1 affected component
powerdns recursor>=4.1.4<4.1.9

Event History

Jan 29, 2019
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:29 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2019-3806?

CVE-2019-3806 is a vulnerability found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.

2

What is the severity of CVE-2019-3806?

The severity of CVE-2019-3806 is high with a CVSS score of 8.1 (out of 10).

3

Which software is affected by CVE-2019-3806?

PowerDNS Recursor versions between 4.1.4 and 4.1.9 are affected by CVE-2019-3806.

4

How can I fix CVE-2019-3806?

To fix CVE-2019-3806, it is recommended to upgrade to PowerDNS Recursor version 4.1.9 or later.

5

Where can I find more information about CVE-2019-3806?

You can find more information about CVE-2019-3806 in the following references: [1] [2]

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203