CVE-2015-5470
highpriority · track · 35EPSS 0.113 · 96 %ileEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2015/07/07/6cnnvd
- http://www.openwall.com/lists/oss-security/2015/07/10/8cnnvd
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/cnnvd
- http://www.openwall.com/lists/oss-security/2015/07/07/6enisa_euvd
- http://www.openwall.com/lists/oss-security/2015/07/10/8enisa_euvd
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/enisa_euvd
- http://www.openwall.com/lists/oss-security/2015/07/07/6nvd
- http://www.openwall.com/lists/oss-security/2015/07/10/8nvd
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