CVE-2026-42482

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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:hashcat:hashcat:7.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "E1ECAF10-13E9-4F40-973C-EBC2BC0CDA88", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow in mangle_to_hex_lower() and mangle_to_hex_upper() in src/rp_cpu.c in hashcat v7.1.2 allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted rule file, or via the -j or -k rule options used with password candidates of 128 or more characters. The vulnerability is caused by a bounds check that fails to account for the 2x expansion that occurs when password bytes are converted to hexadecimal."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer basado en pila en mangle_to_hex_lower() y mangle_to_hex_upper() en src/rp_cpu.c en hashcat v7.1.2 permite a un atacante causar una denegaci\u00f3n de servicio o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un archivo de reglas manipulado, o a trav\u00e9s de las opciones de reglas -j o -k utilizadas con candidatos de contrase\u00f1a de 128 o m\u00e1s caracteres. La vulnerabilidad es causada por una comprobaci\u00f3n de l\u00edmites que no tiene en cuenta la expansi\u00f3n 2x que ocurre cuando los bytes de la contrase\u00f1a se convierten a hexadecimal."}], "id": "CVE-2026-42482", "lastModified": "2026-11-11T21:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42482", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-01T18:36:37.374606Z", "version": "2.0.3"}}]}, "published": "2026-05-01T14:16:22.577", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://gist.github.com/sgInnora/107f2eb20367e47d58c911e38d56a91f"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-121"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.1.2"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}]}, "product": "hashcat", "vendor": "hashcat"}], "created": "2026-05-02T08:15:16.311988+00:00", "title": "Stack-based Buffer Overflow in hashcat\u2019s Hex Mangle Functions Allowing Potential Code Execution", "updated": "2026-05-04T19:45:16.477723+00:00", "vendors": ["hashcat", "hashcat$PRODUCT$hashcat"]}