{"api_version":"1","generated_at":"2026-07-23T13:31:25+00:00","cve":"CVE-2020-18831","urls":{"html":"https://cve.report/CVE-2020-18831","api":"https://cve.report/api/cve/CVE-2020-18831.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-18831","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-18831"},"summary":{"title":"CVE-2020-18831","description":"Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-08-22 19:15:00","updated_at":"2023-08-25 17:10:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://github.com/Exiv2/exiv2/issues/828","name":"https://github.com/Exiv2/exiv2/issues/828","refsource":"MISC","tags":[],"title":"Segmentation fault in pngimage.cpp:329. · Issue #828 · Exiv2/exiv2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.exiv2.org/download.html","name":"https://www.exiv2.org/download.html","refsource":"MISC","tags":[],"title":"Exiv2 - Image metadata library and tools","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-18831","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18831","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"18831","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"exiv2","cpe5":"exiv2","cpe6":"0.27.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-18831","qid":"356396","title":"Amazon Linux Security Advisory for exiv2 : ALAS2-2023-2284"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-18831","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":"Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/Exiv2/exiv2/issues/828","refsource":"MISC","name":"https://github.com/Exiv2/exiv2/issues/828"},{"url":"https://www.exiv2.org/download.html","refsource":"MISC","name":"https://www.exiv2.org/download.html"}]}},"nvd":{"publishedDate":"2023-08-22 19:15:00","lastModifiedDate":"2023-08-25 17:10:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:exiv2:exiv2:0.27.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"18831","Ordinal":"180240","Title":"CVE-2020-18831","CVE":"CVE-2020-18831","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"18831","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}