pdns-recursor — security advisory

{
  "id": "05c9478a2c9cc6e06049e47f2bd828aac9ca452550a387165b0803baf8af2854",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-59029",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2025-59029",
    "summary": "An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.",
    "evidence": "osv:DEBIAN-CVE-2025-59029",
    "products": [
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.3.3-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.2.4-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.2.5-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.0-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.0-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.0-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.0-5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.3.1-1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2025-59029",
      "aliases": [
        "DEBIAN-CVE-2025-59029"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.3.3-1"
                }
              ]
            }
          ],
          "package": {
            "name": "pdns-recursor",
            "purl": "pkg:deb/debian/pdns-recursor?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "5.2.4-2",
            "5.2.5-1",
            "5.3.0-1",
            "5.3.0-2",
            "5.3.0-3",
            "5.3.0-4",
            "5.3.0-5",
            "5.3.1-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-59029.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-08T09:47:34.019068534Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-59029"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2025-59029"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-59029",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 98894,
  "published_at": "2025-12-09T16:17:58.99+00:00"
}