{ "id": "CVE-2021-46700", "sourceIdentifier": "cve@mitre.org", "published": "2022-02-19T19:15:10.960", "lastModified": "2022-03-01T13:45:33.647", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free." }, { "lang": "es", "value": "En libsixel versi\u00f3n 1.8.6, la funci\u00f3n sixel_encoder_output_without_macro (llamado desde sixel_encoder_encode_frame en el archivo encoder.c) presenta una doble liberaci\u00f3n" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-415" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:libsixel_project:libsixel:1.8.6:*:*:*:*:*:*:*", "matchCriteriaId": "D78CB59C-7966-46E3-A325-A7508F0ED51D" } ] } ] } ], "references": [ { "url": "https://github.com/saitoha/libsixel/issues/158", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] } ] }