{"api_version":"1","generated_at":"2026-05-14T01:32:29+00:00","cve":"CVE-2022-27046","urls":{"html":"https://cve.report/CVE-2022-27046","api":"https://cve.report/api/cve/CVE-2022-27046.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-27046","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-27046"},"summary":{"title":"CVE-2022-27046","description":"libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.","state":"PUBLISHED","assigner":"mitre","published_at":"2022-04-08 15:15:08","updated_at":"2026-04-24 12:56:58"},"problem_types":["CWE-416","n/a"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.8","severity":"","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"https://github.com/saitoha/libsixel/issues/157","name":"https://github.com/saitoha/libsixel/issues/157","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"],"title":"heap-use-after-free in libsixel/src/dither.c:388 · Issue #157 · saitoha/libsixel · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-27046","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-27046","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"27046","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"saitoha","cpe5":"libsixel","cpe6":"1.8.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2022","cve_id":"27046","cve":"CVE-2022-27046","epss":"0.003320000","percentile":"0.560570000","score_date":"2026-04-26","updated_at":"2026-04-27 00:09:42"},"legacy_qids":[{"cve":"CVE-2022-27046","qid":"184416","title":"Debian Security Update for libsixel (CVE-2022-27046)"}]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-03T05:18:39.311Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/saitoha/libsixel/issues/157"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-04-08T14:51:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://github.com/saitoha/libsixel/issues/157"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2022-27046","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/saitoha/libsixel/issues/157","refsource":"MISC","url":"https://github.com/saitoha/libsixel/issues/157"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2022-27046","datePublished":"2022-04-08T14:51:00.000Z","dateReserved":"2022-03-14T00:00:00.000Z","dateUpdated":"2024-08-03T05:18:39.311Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2022-04-08 15:15:08","lastModifiedDate":"2026-04-24 12:56:58","problem_types":["CWE-416","n/a"],"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:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*","matchCriteriaId":"CDC5DCF0-43F4-4879-B1A7-9CEDA66F8B15"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"27046","Ordinal":"1","Title":"CVE-2022-27046","CVE":"CVE-2022-27046","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"27046","Ordinal":"1","NoteData":"libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.","Type":"Description","Title":"CVE-2022-27046"}]}}}