CVE-2023-22617

Published: Jan 21, 2023Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.

Affected (1)

Products: Powerdns: Recursor

Powerdns

1 product

Recursor

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Powerdns Recursor	Version 4.8.0

Related CWEs

CWE-674

Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (6)

http://www.openwall.com/lists/oss-security/2023/01/20/1

Source: cve@mitre.org

Mailing ListRelease NotesThird Party Advisory

https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

Source: cve@mitre.org

Release NotesVendor Advisory

https://docs.powerdns.com/recursor/security-advisories/

Source: cve@mitre.org

Vendor Advisory

http://www.openwall.com/lists/oss-security/2023/01/20/1

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListRelease NotesThird Party Advisory

https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

https://docs.powerdns.com/recursor/security-advisories/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.