FKIE_CVE-2024-26134

Vulnerability from fkie_nvd - Published: 2024-02-19 23:15 - Updated: 2026-06-17 07:17
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.
References
security-advisories@github.comhttps://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542Product
security-advisories@github.comhttps://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873dfPatch
security-advisories@github.comhttps://github.com/agronholm/cbor2/pull/204Issue Tracking
security-advisories@github.comhttps://github.com/agronholm/cbor2/releases/tag/5.6.2Release Notes
security-advisories@github.comhttps://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7mExploit, Vendor Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/Mailing List
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/Mailing List
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873dfPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/agronholm/cbor2/pull/204Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://github.com/agronholm/cbor2/releases/tag/5.6.2Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7mExploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/Mailing List
Impacted products
Vendor Product Version
agronholm cbor2 *
fedoraproject fedora 38
fedoraproject fedora 39
fedoraproject fedora 40
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "cbor2",
          "vendor": "agronholm",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 5.5.1, \u003c 5.6.2"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:agronholm:cbor2:5.5.1:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "cbor2",
          "vendor": "agronholm",
          "versions": [
            {
              "lessThan": "5.6.2",
              "status": "affected",
              "version": "5.5.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:agronholm:cbor2:*:*:*:*:*:python:*:*",
              "matchCriteriaId": "29EB593C-8078-4174-9947-A3590CF93D51",
              "versionEndExcluding": "5.6.2",
              "versionStartIncluding": "5.5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*",
              "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
              "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*",
              "matchCriteriaId": "CA277A6C-83EC-4536-9125-97B84C4FAF59",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue."
    },
    {
      "lang": "es",
      "value": "cbor2 proporciona codificaci\u00f3n y decodificaci\u00f3n para el formato de serializaci\u00f3n de representaci\u00f3n concisa de objetos binarios (CBOR) (RFC 8949). A partir de la versi\u00f3n 5.5.1 y antes de la versi\u00f3n 5.6.2, un atacante puede bloquear un servicio que utiliza cbor2 para analizar un binario CBOR enviando un objeto lo suficientemente largo. La versi\u00f3n 5.6.2 contiene un parche para este problema."
    }
  ],
  "id": "CVE-2024-26134",
  "lastModified": "2026-06-17T07:17:10.310",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-26134",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-02-20T18:24:08.985048Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-19T23:15:07.810",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542"
    },
    {
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      "tags": [
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      ],
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    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/agronholm/cbor2/pull/204"
    },
    {
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      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/agronholm/cbor2/releases/tag/5.6.2"
    },
    {
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      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m"
    },
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      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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    },
    {
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    },
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      "tags": [
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    },
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    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
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      "source": "security-advisories@github.com",
      "type": "Secondary"
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    {
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          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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