FKIE_CVE-2026-24028

Vulnerability from fkie_nvd - Published: 2026-03-31 12:16 - Updated: 2026-07-25 10:10
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Summary
An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure.
References
security@open-xchange.comhttps://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.htmlVendor Advisory
Impacted products
Vendor Product Version
powerdns dnsdist *
powerdns dnsdist *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://repo.powerdns.com/",
          "defaultStatus": "unaffected",
          "modules": [
            "Lua DNS parser"
          ],
          "packageName": "dnsdist",
          "product": "DNSdist",
          "programFiles": [
            "dnsparser.hh"
          ],
          "repo": "https://github.com/PowerDNS/pdns",
          "vendor": "PowerDNS",
          "versions": [
            {
              "lessThan": "1.9.12",
              "status": "affected",
              "version": "1.9.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.0.3",
              "status": "affected",
              "version": "2.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@open-xchange.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "628B3B94-81DE-496E-B36A-B79A3DFFE1F4",
              "versionEndExcluding": "1.9.12",
              "versionStartIncluding": "1.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9AC850DD-FDD8-4C48-B861-4BBAF423FF57",
              "versionEndExcluding": "2.0.3",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure."
    },
    {
      "lang": "es",
      "value": "Un atacante podr\u00eda desencadenar una lectura fuera de l\u00edmites al enviar un paquete de respuesta DNS manipulado, cuando c\u00f3digo Lua personalizado utiliza newDNSPacketOverlay para analizar paquetes DNS. La lectura fuera de l\u00edmites podr\u00eda desencadenar un fallo, lo que llevar\u00eda a una denegaci\u00f3n de servicio, o acceder a memoria no relacionada, lo que llevar\u00eda a una posible revelaci\u00f3n de informaci\u00f3n."
    }
  ],
  "id": "CVE-2026-24028",
  "lastModified": "2026-07-25T10:10:00.167",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security@open-xchange.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-24028",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-31T13:18:03.818786Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-31T12:16:27.487",
  "references": [
    {
      "source": "security@open-xchange.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"
    }
  ],
  "sourceIdentifier": "security@open-xchange.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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