{
  "cveId": "CVE-2026-6879",
  "url": "https://patchblox.com/security/cve/CVE-2026-6879",
  "summary": "CVE-2026-6879 is fixed in 54 products on 3 platforms, first by DEBIAN-CVE-2026-6879, released July 28, 2026. 10 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Quadratic Behavior in xml.etree.ElementPath Index Predicates",
  "description": "\u0060Element.findall()\u0060 and fully-consumed \u0060Element.iterfind()\u0060 exhibit \u0060O(n^2)\u0060 time complexity when using XPath index predicates (e.g. \u0060[1]\u0060, \u0060[last()]\u0060, \u0060[last()-N]\u0060) on XML documents with many same-tag siblings. \u0060Element.find()\u0060 is only affected when the first match is near the end\u00A0 of the sibling list, such as with \u0060[last()]\u0060 or \u0060[last()-N]\u0060;\u00A0 \u0060.//item[1]\u0060 short-circuits after the first match.",
  "published": "2026-07-28T15:17:51Z",
  "severity": "low",
  "cvss": 2,
  "cwe": "CWE-407: Inefficient Algorithmic Complexity",
  "epss": 0.00355,
  "epssPercentile": 0.29438,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-6879",
  "fixes": [
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      "released": "2026-08-05T00:00:00Z"
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      "fix": "ALAS2023-2026-2122",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2122",
      "released": "2026-08-31T09:00:00Z"
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  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}