CVE-2023-22617

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 78.0%
KEV: Not listed

Published

January 21, 2023

Last Modified

April 3, 2025

References (6)

cve@mitrehttp://www.openwall.com/lists/oss-security/2023/01/20/1
cve@mitrehttps://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
cve@mitrehttps://docs.powerdns.com/recursor/security-advisories/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/01/20/1
af854a3a-2127-422b-91ae-364da2661108https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
af854a3a-2127-422b-91ae-364da2661108https://docs.powerdns.com/recursor/security-advisories/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-674Uncontrolled Recursion

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-22617?

CVE-2023-22617 is a high vulnerability published on January 21, 2023. 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.

When was CVE-2023-22617 disclosed?

CVE-2023-22617 was first published in the National Vulnerability Database on January 21, 2023, with the most recent update on April 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-22617 actively exploited?

CVE-2023-22617 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-22617?

CVE-2023-22617 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-22617?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22617, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-22617

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-22617?

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References (6)

Frequently asked(5)

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