FKIE_CVE-2025-52461

Vulnerability from fkie_nvd - Published: 2025-08-25 14:15 - Updated: 2026-06-17 09:36
Severity
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
An out-of-bounds read vulnerability exists in the Nex parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted .nex file can lead to an information leak. An attacker can provide a malicious file to trigger this vulnerability.
References
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2025-2238Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2238
Impacted products
Vendor Product Version
libbiosig_project libbiosig 3.9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "libbiosig",
          "vendor": "The Biosig Project",
          "versions": [
            {
              "status": "affected",
              "version": "3.9.0"
            },
            {
              "status": "affected",
              "version": "Master Branch (35a819fa)"
            }
          ]
        }
      ],
      "source": "talos-cna@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:libbiosig_project:libbiosig:3.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4968E85-9135-4E89-9880-47FB8CE7AB34",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds read vulnerability exists in the Nex parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted .nex file can lead to an information leak. An attacker can provide a malicious file to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de lectura fuera de los l\u00edmites en la funcionalidad de an\u00e1lisis Nex de The Biosig Project libbiosig 3.9.0 y Master Branch (35a819fa). Un archivo .nex especialmente manipulado puede provocar una fuga de informaci\u00f3n. Un atacante puede proporcionar un archivo malicioso para activar esta vulnerabilidad."
    }
  ],
  "id": "CVE-2025-52461",
  "lastModified": "2026-06-17T09:36:32.390",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
        "source": "talos-cna@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-52461",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-26T20:11:56.433168Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-25T14:15:31.840",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2238"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2238"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    }
  ]
}



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