{"schemaVersion":3,"id":"USN-8402-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"systemd vulnerabilities\n\nIt was discovered that systemd-nspawn incorrectly handled certain optional\nconfiguration files. A local attacker could possibly use this issue to\nescape to the host system and execute arbitrary code. (CVE-2026-40226)\n\nIt was discovered that systemd-resolved incorrectly validated DNSSEC\nrecords for signed domains. An attacker could possibly use this issue to\nmanipulate DNS records. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2023-7008)","dates":{"published":"2026-06-08T13:17:14.000Z","modified":"2026-06-08T23:03:52.339Z","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":"systemd","name":"systemd","label":"systemd","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/systemd","purlType":"deb","versions":[{"text":"< 249.11-0ubuntu3.21","noFixRecorded":false,"fixedIn":null},{"text":"< 255.4-1ubuntu8.16","noFixRecorded":false,"fixedIn":null},{"text":"< 257.9-0ubuntu2.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 249.11-0ubuntu3.21 | < 255.4-1ubuntu8.16 | < 257.9-0ubuntu2.5","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8402-1","label":"ubuntu.com/security/notices/USN-8402-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-7008","label":"ubuntu.com/security/CVE-2023-7008","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-40226","label":"ubuntu.com/security/CVE-2026-40226","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-7008","CVE-2026-40226"],"downstream":[],"duplicates":[],"related":["CVE-2023-7008","CVE-2026-40226"]},"timeline":[{"kind":"published","date":"2026-06-08T13:17:14.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-08T23:03:52.339Z","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":"2026-10-20T20:17:00.957Z","stale":false,"partial":false}}