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CVE-2026-45409 Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix

🗓️ 05 Jun 2026 22:06:07Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

IDNA Python: crafted idna.encode inputs may cause DoS; fix via pre-validation and 253 character limit.

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Affected
Refs
[
  {
    "vendor": "kjd",
    "product": "idna",
    "versions": [
      {
        "version": "< 3.15",
        "status": "affected"
      }
    ]
  }
]

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