What’s Vulnerable › Vulnerabilities

CVE-2023-22617

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-21 · updated 2026-06-17
• Weakness: CWE-674

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 products

• PowerDNS Recursor: 4.8.0

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

Get alerted when CVE-2023-22617 or the next vulnerability affects your stack