CVE-2023-22617

7.5 highEPSS 7.3%

High (7.5) in powerdns recursor. EPSS 7.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 7.3% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2023-01-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

powerdns:recursor

References

http://www.openwall.com/lists/oss-security/2023/01/20/1
https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
https://docs.powerdns.com/recursor/security-advisories/
http://www.openwall.com/lists/oss-security/2023/01/20/1
https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1

Check your stack JSON