{"schemaVersion":3,"id":"MGASA-2026-0401","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated tar packages fix security vulnerabilities\n\nGNU Tar through 1.35 allows file overwrite via directory traversal in\ncrafted TAR archives, with a certain two-step process. (CVE-2025-45582)\nTar: toctou in incremental dumpdir 'x' rename handling allows restore\npath escape. (CVE-2026-18477)\nTar: --one-top-level hardlink targets not confined to top-level\ndirectory enabling arbitrary file overwrite. (CVE-2026-18508)","dates":{"published":"2026-09-14T16:26:35.000Z","modified":"2026-09-14T16:42:46.255Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"mageia","product":"tar","name":"tar","label":"tar","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tar","purlType":"rpm","versions":[{"text":"< 1.35-4.1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.35-4.1.mga10","eol":null,"hubHref":null},{"vendor":"mageia","product":"tar","name":"tar","label":"tar","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tar","purlType":"rpm","versions":[{"text":"< 1.35-4.1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.35-4.1.mga9","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0401.html","label":"advisories.mageia.org/MGASA-2026-0401.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36289","label":"bugs.mageia.org/show_bug.cgi?id=36289","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ASLMG5TUYWS2IEKBCOWN5KZ2K55V366N/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-45582","CVE-2026-18477","CVE-2026-18508"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-14T16:26:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-14T16:42:46.255Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T01:10:59.331Z","stale":false,"partial":false}}