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        "name": "Integer Overflow or Wraparound"
      },
      "discovery_date": "2026-06-21T16:01:05.566436+00:00",
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          "text": "2491187"
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        {
          "category": "description",
          "text": "A flaw was found in libexpat. An integer overflow vulnerability exists in the `XML_ParseBuffer` function due to a missing check. This flaw could allow an attacker to cause memory corruption, potentially leading to arbitrary code execution, information disclosure, or a denial of service.",
          "title": "Vulnerability description"
        },
        {
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          "text": "libexpat: libexpat: Arbitrary code execution via integer overflow in XML_ParseBuffer",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56406"
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            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          },
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      "title": "libexpat: libexpat: Arbitrary code execution via integer overflow in XML_ParseBuffer"
    }
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}