Vulnerability-Lookup

CVE-2025-59023 (GCVE-0-2025-59023)

Vulnerability from cvelistv5 – Published: 2026-02-09 14:44 – Updated: 2026-02-09 16:17

Title

Crafted delegations or IP fragments can poison cached delegations in Recursor

Summary

Crafted delegations or IP fragments can poison cached delegations in Recursor.

Severity ?

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

CWE

Insufficient Verification of Data Authenticity

Assigner

References

URL

Tags

https://docs.powerdns.com/recursor/security-advis…

Impacted products

	Vendor	Product	Version
	PowerDNS	Recursor	Affected: 5.3.0 , < 5.3.1 (semver) Affected: 5.2.0 , < 5.2.6 (semver) Affected: 5.1.0 , < 5.1.8 (semver)

Credits

Yuxiao Wu from Tsinghua University Yunyi Zhang from Tsinghua University Baojun Liu from Tsinghua University Haixin Duan from Tsinghua University Shiming Liu from Network and Information Security Lab, Tsinghua University

Show details on NVD website

JSON

To clipboard

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GHSA-JGVP-6MMR-4MRW

Vulnerability from github – Published: 2026-02-09 15:30 – Updated: 2026-02-09 15:30

Details

Crafted delegations or IP fragments can poison cached delegations in Recursor.

Severity ?

8.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Show details on source website

JSON

To clipboard

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  "affected": [],
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  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-09T15:16:10Z",
    "severity": "HIGH"
  },
  "details": "Crafted delegations or IP fragments can poison cached delegations in Recursor.",
  "id": "GHSA-jgvp-6mmr-4mrw",
  "modified": "2026-02-09T15:30:31Z",
  "published": "2026-02-09T15:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59023"
    },
    {
      "type": "WEB",
      "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-06.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2025-2390

Vulnerability from csaf_certbund - Published: 2025-10-22 22:00 - Updated: 2025-10-29 23:00

Summary

PowerDNS Recursor: Mehrere Schwachstellen ermöglichen Manipulation von Dateien

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Der Domain Name Service (DNS) ermöglicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von übermäßigen Anfragen werden die Zuordnungen häufig lokal in einem Cache gespeichert.

Angriff

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in PowerDNS Recursor ausnutzen, um Dateien zu manipulieren.

Betroffene Betriebssysteme

- Sonstiges - UNIX

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Der Domain Name Service (DNS) erm\u00f6glicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von \u00fcberm\u00e4\u00dfigen Anfragen werden die Zuordnungen h\u00e4ufig lokal in einem Cache gespeichert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in PowerDNS Recursor ausnutzen, um Dateien zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-2390 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2390.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2390 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2390"
      },
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        "category": "external",
        "summary": "PowerDNS Security Advisory vom 2025-10-22",
        "url": "https://blog.powerdns.com/powerdns-security-advisory-2025-06-2025-10-22"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6045 vom 2025-10-30",
        "url": "https://lists.debian.org/debian-security-announce/2025/msg00211.html"
      }
    ],
    "source_lang": "en-US",
    "title": "PowerDNS Recursor: Mehrere Schwachstellen erm\u00f6glichen Manipulation von Dateien",
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      "current_release_date": "2025-10-29T23:00:00.000+00:00",
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        "date": "2025-10-30T08:08:28.510+00:00",
        "engine": {
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          "date": "2025-10-22T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
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        {
          "date": "2025-10-29T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
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          "2951",
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    },
    {
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      "product_status": {
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          "T048072",
          "2951",
          "T048074",
          "T048073"
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      "title": "CVE-2025-59024"
    }
  ]
}

FKIE_CVE-2025-59023

Vulnerability from fkie_nvd - Published: 2026-02-09 15:16 - Updated: 2026-02-09 16:08

Severity ?

8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Summary

Crafted delegations or IP fragments can poison cached delegations in Recursor.

References

	URL	Tags
	security@open-xchange.com	https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-06.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Crafted delegations or IP fragments can poison cached delegations in Recursor."
    }
  ],
  "id": "CVE-2025-59023",
  "lastModified": "2026-02-09T16:08:35.290",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
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        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
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        "type": "Secondary"
      }
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  "published": "2026-02-09T15:16:10.817",
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    {
      "source": "security@open-xchange.com",
      "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-06.html"
    }
  ],
  "sourceIdentifier": "security@open-xchange.com",
  "vulnStatus": "Awaiting Analysis"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2025-59023 (GCVE-0-2025-59023)

GHSA-JGVP-6MMR-4MRW

WID-SEC-W-2025-2390

FKIE_CVE-2025-59023

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