Aardvark-dns has incorrect error handling for malformed tcp packets

{
  "id": "26c8bfc82140f8a05298b2d68fb2df95209995cbc8e1dc94330cef5fbde09a10",
  "url": "https://osv.dev/vulnerability/CVE-2026-35406",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Aardvark-dns has incorrect error handling for malformed tcp packets",
    "summary": "Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.",
    "evidence": "osv:CVE-2026-35406",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-35406",
      "aliases": [
        "CVE-2026-35406",
        "GHSA-hfpq-x728-986j"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/containers/aardvark-dns",
              "type": "GIT",
              "events": [
                {
                  "introduced": "56db1e0c07be11237528bde2fa6edd0a2a7cc8d0"
                },
                {
                  "fixed": "d9d17d4fe9d0a43512f6203042543deb3431a1bb"
                },
                {
                  "fixed": "3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:containers:aardvark-dns:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.16.0"
                      },
                      {
                        "fixed": "1.17.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d9d17d4fe9d0a43512f6203042543deb3431a1bb"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.17.1"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35406.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.896241545Z",
      "provider": "osv",
      "references": [
        "https://github.com/containers/aardvark-dns/releases/tag/v1.17.1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35406.json",
        "https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-35406",
        "https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-400"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35406.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-35406",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492338,
  "published_at": "2026-04-07T21:32:23.512+00:00"
}