The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade pdnsUpgrade pdns-recursor | Jul 30, 2024 | Nov 2, 2015 |
| Freebsd | — | Upgrade powerdns-recursorUpgrade powerdns | Dec 10, 2025 | May 1, 2015 |
| Suse | — | Upgrade pdns-recursorUpgrade pdns-recursor-debugsourceUpgrade pdns-recursor-debuginfo | Dec 18, 2015 | Jul 22, 2015 |
| Ubuntu | — | Upgrade pdns-recursor | Nov 19, 2024 | Nov 2, 2015 |
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