{"cve":"CVE-2015-5470","nvd":{"published":"2015-11-02T19:59:09.530","modified":"2026-06-17T00:29:10.977","status":"Modified","description":"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_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://www.openwall.com/lists/oss-security/2015/07/07/6","http://www.openwall.com/lists/oss-security/2015/07/10/8","https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/","http://www.openwall.com/lists/oss-security/2015/07/07/6","http://www.openwall.com/lists/oss-security/2015/07/10/8"],"products":["powerdns:authoritative","powerdns:recursor"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-5470","score":0.11284,"percentile":0.95972,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}