PowerDNS Recursor 4.3.5, 4.2.5 and 4.1.18 Released

Oct 13, 2020

Hello!,

Today we are releasing PowerDNS Recursor 4.3.5, 4.2.5. and 4.1.18, containing a security fix for CVE-2020-25829:

An issue has been found in PowerDNS Recursor where a remote attacker can cause the cached records for a given name to be updated to the Bogus DNSSEC validation state, instead of their actual DNSSEC Secure state, via a DNS ANY query. This results in a denial of service for installations that always validate (dnssec=validate) and for clients requesting validation when on-demand validation is enabled (dnssec=process). The severity is high for these cases.

As usual, there were also other smaller enhancements and bugfixes. Please refer to the 4.3.5 changelog, 4.2.5 changelog and 4.1.18 changelog for details.

The 4.3.5 tarball (signature), 4.2.5 tarball (signature) and 4.1.18 tarball (signature) are available at downloads.powerdns.com and packages for CentOS 6, 7 and 8, Debian Stretch and Buster, Ubuntu Xenial and Bionic are available from repo.powerdns.com.

4.0 and older releases are EOL, refer to the documentation for details about our release cycles.

Please send us all feedback and issues you might have via the mailing list, or in case of a bug, via GitHub.

About the author

Otto Moerbeek

Otto Moerbeek

Senior Developer at PowerDNS

Categories

Related Articles

PowerDNS Authoritative Server 4.9.0

This is release 4.9.0 of the Authoritative Server. It brings a few new features, and a collection of small improvements and...

Peter van Dijk Mar 15, 2024

PowerDNS Recursor: Extended DNS Errors Help You Troubleshooting

This is the seventh episode of a series of blog posts we are publishing, mostly around recent developments with respect to...

Otto Moerbeek Mar 12, 2024

PowerDNS Recursor 4.8.7, 4.9.4 and 5.0.3 Released

Today we have released PowerDNS Recursor 4.8.7, 4.9.4 and 5.0.3. These releases are maintenance releases that fix a few...

Otto Moerbeek Mar 7, 2024

PowerDNS Authoritative Server 4.9.0-beta2

This is release 4.9.0-beta2 (beta1 was not released, due to a tagging mistake) of the Authoritative Server. It brings a few...

Peter van Dijk Feb 16, 2024