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CVE-2026-83614 xmldom: Quadratic-time parsing via the malformed-input recovery path — `parseElementStartPart` re-scan and `normalize()` adjacent-text merge

🗓️ 01 Sep 2026 14:41:42Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Quadratic-time DoS in xmldom via malformed tag re-scan and normalize() text node merge.

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Affected
Refs
[
  {
    "vendor": "xmldom",
    "product": "xmldom",
    "versions": [
      {
        "version": ">= 0.3.0, <= 0.6.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "@xmldom",
    "product": "xmldom",
    "versions": [
      {
        "version": ">= 0.7.0, < 0.8.15",
        "status": "affected"
      },
      {
        "version": ">= 0.9.0, < 0.9.12",
        "status": "affected"
      }
    ]
  }
]

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