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CVE-2021-32277

Estado: ModificadaAlta (7.8)—

An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_analysis_32 located in sbr_qmf.c. It allows an attacker to cause code Execution.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Debian — Debian LinuxFaad2 Project — Faad2

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-32277",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
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  ],
  "published": "2021-09-20T16:15:10.363",
  "references": [
    {
      "url": "https://github.com/knik0/faad2/issues/59",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.debian.org/security/2022/dsa-5109",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/knik0/faad2/issues/59",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
      ],
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    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2022/dsa-5109",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_analysis_32 located in sbr_qmf.c. It allows an attacker to cause code Execution."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en faad2 versiones hasta 2.10.0. Se presenta un desbordamiento del búfer de la pila en la función sbr_qmf_analysis_32 ubicada en el archivo sbr_qmf.c. Permite a un atacante causar una Ejecución de código"
    }
  ],
  "lastModified": "2026-06-17T03:52:53.707",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:faad2_project:faad2:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "473E94D7-49A2-4FA4-82CD-726B2B84FF95",
              "versionEndIncluding": "2.10.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}