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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:call-cc:chicken:4.12.0:*:*:*:*:*:*:*", "matchCriteriaId": "097E61E7-AD53-4A7F-B471-D4FDF8C168B1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow."}, {"lang": "es", "value": "Se ha descubierto un problema en CHICKEN Scheme hasta la versi\u00f3n 4.12.0. Cuando se utiliza una extensi\u00f3n CHICKEN-specific no est\u00e1ndar para ubicar un vector SRFI-4 en memoria no administrada, el tama\u00f1o del vector se usar\u00eda de forma no analizada como un argumento a malloc(). Con un tama\u00f1o inesperado, el impacto puede haber sido un segfault o desbordamiento de b\u00fafer."}], "id": "CVE-2017-6949", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-16T17:59:00.157", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://lists.gnu.org/archive/html/chicken-announce/2017-03/msg00000.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/97317"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://lists.gnu.org/archive/html/chicken-announce/2017-03/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/97317"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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