{"schemaVersion":3,"id":"USN-8386-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"nano vulnerabilities\n\nMichał Majchrowicz and Marcin Wyczechowski discovered that Nano created\nthe ~/.local directory with incorrect permissions. In environments with\npermissive umask settings, a local attacker could possibly use this\nissue to inject a malicious launcher file, resulting in information\ndisclosure or other unintended actions. (CVE-2026-6842)\n\nMichał Majchrowicz and Marcin Wyczechowski discovered that Nano\nincorrectly handled directory names when updating the status line. A\nlocal attacker could possibly use this issue to cause Nano to crash,\nresulting in a denial of service. This issue only affected Ubuntu 22.04\nLTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS.\n(CVE-2026-6843)","dates":{"published":"2026-06-04T17:00:06.000Z","modified":"2026-06-05T03:14:22.429Z","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":"nano","name":"nano","label":"nano","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/nano","purlType":"deb","versions":[{"text":"< 2.9.3-2ubuntu0.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 4.8-1ubuntu1.1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 6.2-1ubuntu0.2","noFixRecorded":false,"fixedIn":null},{"text":"< 7.2-2ubuntu0.2","noFixRecorded":false,"fixedIn":null},{"text":"< 8.4-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 8.7.1-1ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.3-2ubuntu0.1~esm2 | < 4.8-1ubuntu1.1+esm1 | < 6.2-1ubuntu0.2 | < 7.2-2ubuntu0.2 | < 8.4-1ubuntu0.1 | < 8.7.1-1ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8386-1","label":"ubuntu.com/security/notices/USN-8386-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-6842","label":"ubuntu.com/security/CVE-2026-6842","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-6843","label":"ubuntu.com/security/CVE-2026-6843","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-6842","CVE-2026-6843"],"downstream":[],"duplicates":[],"related":["CVE-2026-6842","CVE-2026-6843"]},"timeline":[{"kind":"published","date":"2026-06-04T17:00:06.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-05T03:14:22.429Z","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":"2026-10-21T00:31:02.225Z","stale":false,"partial":false}}