High severity7.5NVD Advisory· Published Jan 21, 2023· Updated Jun 17, 2026
CVE-2023-22617
CVE-2023-22617
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.
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Affected products
4Patches
Vulnerability mechanics
References
3- www.openwall.com/lists/oss-security/2023/01/20/1nvdMailing ListRelease NotesThird Party Advisory
- docs.powerdns.com/recursor/changelog/4.8.htmlnvdRelease NotesVendor Advisory
- docs.powerdns.com/recursor/security-advisories/nvdVendor Advisory
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