CVE-2026-42469

{
  "id": "CVE-2026-42469",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-01T17:16:25.260",
  "lastModified": "2026-11-08T16:10:00.183",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_canswitch.cpp the parser does not properly validate a CANswitch DLC value, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted CANswitch frames."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento de búfer en Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. En canformat_canswitch.cpp, el analizador no valida correctamente un valor DLC de CANswitch, lo que permite a atacantes remotos causar una denegación de servicio o posiblemente ejecutar código arbitrario mediante tramas CANswitch manipuladas."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
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        "type": "Secondary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.7
      }
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        "ssvcData": {
          "timestamp": "2026-05-01T17:39:40.965151Z",
          "id": "CVE-2026-42469",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
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  "references": [
    {
      "url": "https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381",
      "source": "[email protected]",
      "tags": [
        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1391",
      "source": "[email protected]",
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        "Issue Tracking"
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}