CVE-2020-36120

{"id": "CVE-2020-36120", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-04-14T14:15:13.287", "references": [{"url": "https://github.com/saitoha/libsixel/issues/143", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/saitoha/libsixel/issues/143", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "Buffer Overflow in the \"sixel_encoder_encode_bytes\" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS)."}, {"lang": "es", "value": "Un Desbordamiento de B\u00fafer en la funci\u00f3n \"sixel_encoder_encode_bytes\" de Libsixel versi\u00f3n v1.8.6, permite a atacantes causar una Denegaci\u00f3n de Servicio (DoS)"}], "lastModified": "2026-04-24T12:56:58.623", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CDC5DCF0-43F4-4879-B1A7-9CEDA66F8B15"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}