CVE-2015-5470: n/a vulnerability

CVE-2015-5470: The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authorit...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 06:50 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2015-5470 is a remote denial-of-service flaw in older PowerDNS Recursor and Authoritative Server releases. A crafted DNS request can make the service consume CPU or crash, potentially disrupting DNS resolution or authoritative DNS service availability. Exposure is most likely where legacy PowerDNS Recursor or Authoritative Server instances are reachable by untrusted networks. The provided CVE data does not identify affected distribution packages, appliances, or managed DNS services. Treat as a service-availability risk for any organization running exposed legacy PowerDNS. Prioritize remediation for internet-facing recursive or authoritative DNS infrastructure because disruption can affect customer access, application reliability, and incident response visibility. Mitigation focus: Upgrade vulnerable PowerDNS Recursor and Authoritative Server versions to fixed or current supported releases.; Check vendor and distribution advisories for backported package fixes.; Reduce untrusted access to DNS services where operationally possible..

Prepared: Jun 13, 2026, 21:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 2, 2015, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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