CVE-2025-65501

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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:a:libcoap:libcoap:4.3.5:-:*:*:*:*:*:*", "matchCriteriaId": "78120234-9F76-4010-AD0E-FEA4DE8A76F9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSL_get_app_data() returns NULL."}, {"lang": "es", "value": "Desreferencia de puntero nulo en coap_dtls_info_callback() en OISM libcoap 4.3.5 permite a atacantes remotos causar una denegaci\u00f3n de servicio a trav\u00e9s de un handshake DTLS donde SSL_get_app_data() devuelve NULL."}], "id": "CVE-2025-65501", "lastModified": "2026-11-05T13:10:00.180", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-65501", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-11-24T18:28:13.652935Z", "version": "2.0.3"}}]}, "published": "2025-11-24T14:15:47.950", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://github.com/obgm/libcoap/issues/1748"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://github.com/obgm/libcoap/pull/1750"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-11-26T11:10:46.073538+00:00", "updated": "2025-11-26T11:10:46.073570+00:00", "vendors": ["libcoap", "libcoap$PRODUCT$libcoap"]}