CVE-2026-42468

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openvehicles:open_vehicle_monitoring_system_firmware:3.3.005:*:*:*:*:*:*:*", "matchCriteriaId": "85BD9467-2887-419D-96B2-6E0418829A9A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:openvehicles:open_vehicle_monitoring_system:-:*:*:*:*:*:*:*", "matchCriteriaId": "9C5E4E8C-8378-4B51-B19D-862DBB3859BC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_pcap.cpp , the parser's phdr.len field is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted PCAP input."}, {"lang": "es", "value": "Vulnerabilidad de desbordamiento de b\u00fafer en Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. En canformat_pcap.cpp, el campo phdr.len del analizador no se valida correctamente, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio o posiblemente ejecutar c\u00f3digo arbitrario mediante entrada PCAP manipulada."}], "id": "CVE-2026-42468", "lastModified": "2026-11-08T16:10:00.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42468", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-01T18:55:26.966905Z", "version": "2.0.3"}}]}, "published": "2026-05-01T17:16:25.150", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1392"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.3.005"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "open_vehicle_monitoring_system_3", "vendor": "openvehicles"}], "created": "2026-05-02T08:00:14.111131+00:00", "title": "Buffer Overflow in OVMS3 PCAP Parser Allows Remote Denial of Service and Potential Code Execution", "updated": "2026-05-04T19:44:53.547103+00:00", "vendors": ["openvehicles", "openvehicles$PRODUCT$open_vehicle_monitoring_system_3"]}