CVE-2026-114605

{
  "etk_id": "ETK-2026-1025",
  "cve_id": "CVE-2026-114605",
  "display_id": "CVE-2026-114605",
  "ghsa_id": "GHSA-45c3-73f7-pv4m",
  "euvd_id": "EUVD-2026-108227",
  "status": "published",
  "anchor_state": "anchored",
  "title": "DNS name decompression CPU exhaustion in dnspython",
  "summary": "dnspython releases before 2.9.0 can consume excessive CPU while decoding DNS names from wire-format messages. An attacker may degrade service or cause denial of service when an application passes untrusted DNS messages to the affected parser.",
  "mitigation": "Upgrade dnspython to version 2.9.0 or later. Prioritize systems that parse DNS wire-format data from untrusted sources.",
  "vendor": "pip",
  "product": "pip:dnspython",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 2.9.0"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "2.9.0"
      ],
      "package_name": "dnspython",
      "purl": "pkg:pypi/dnspython"
    }
  ],
  "cwes": [
    674
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 8.792351266666667,
  "t0_at": "2026-10-22T16:25:32.509000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-09T00:13:25+00:00",
      "days": -13.675086909722221,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T16:25:32.509000+00:00",
      "url": "https://github.com/rthalley/dnspython/security/advisories/GHSA-45c3-73f7-pv4m"
    }
  }
}