{"schemaVersion":3,"id":"USN-8477-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"tar vulnerability\n\nIt was discovered that tar incorrectly handled certain crafted archive files.\nAn attacker could possibly use this to inject hidden files with\nattacker-controlled content, bypassing pre-extraction inspection mechanisms.","dates":{"published":"2026-06-25T20:57:32.000Z","modified":"2026-07-17T01:18:12.247Z","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":"ubuntu","product":"tar","name":"tar","label":"tar","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/tar","purlType":"deb","versions":[{"text":"< 1.27.1-1ubuntu0.1+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.28-2.1ubuntu0.2+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.29b-2ubuntu0.4+esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.30+dfsg-7ubuntu0.20.04.4+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.34+dfsg-1ubuntu0.1.22.04.3","noFixRecorded":false,"fixedIn":null},{"text":"< 1.35+dfsg-3ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.35+dfsg-4ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.27.1-1ubuntu0.1+esm5 | < 1.28-2.1ubuntu0.2+esm4 | < 1.29b-2ubuntu0.4+esm2 | < 1.30+dfsg-7ubuntu0.20.04.4+esm1 | < 1.34+dfsg-1ubuntu0.1.22.04.3 | < 1.35+dfsg-3ubuntu0.1 | < 1.35+dfsg-4ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8477-1","label":"ubuntu.com/security/notices/USN-8477-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-5704","label":"ubuntu.com/security/CVE-2026-5704","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-5704"]},"timeline":[{"kind":"published","date":"2026-06-25T20:57:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-17T01:18:12.247Z","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":"2026-10-20T01:13:47.925Z","stale":false,"partial":false}}