{"schemaVersion":3,"id":"USN-6455-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"exim4 vulnerabilities\n\nIt was discovered that Exim incorrectly handled validation of user-supplied\ndata, which could lead to memory corruption. A remote attacker could\npossibly use this issue to execute arbitrary code. (CVE-2023-42117)\n\nIt was discovered that Exim incorrectly handled validation of user-supplied\ndata, which could lead to an out-of-bounds read. An attacker could possibly\nuse this issue to expose sensitive information. (CVE-2023-42119)","dates":{"published":"2023-10-26T21:01:30.000Z","modified":"2026-06-29T13:50:59.248Z","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":"exim4","name":"exim4","label":"exim4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/exim4","purlType":"deb","versions":[{"text":"< 4.82-3ubuntu2.4+esm7","noFixRecorded":false,"fixedIn":null},{"text":"< 4.86.2-2ubuntu2.6+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 4.90.1-1ubuntu1.10+esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 4.93-13ubuntu1.9","noFixRecorded":false,"fixedIn":null},{"text":"< 4.95-4ubuntu2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.82-3ubuntu2.4+esm7 | < 4.86.2-2ubuntu2.6+esm5 | < 4.90.1-1ubuntu1.10+esm2 | < 4.93-13ubuntu1.9 | < 4.95-4ubuntu2.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6455-1","label":"ubuntu.com/security/notices/USN-6455-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-42117","label":"ubuntu.com/security/CVE-2023-42117","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-42119","label":"ubuntu.com/security/CVE-2023-42119","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-42117","CVE-2023-42119"],"downstream":[],"duplicates":[],"related":["CVE-2023-42117","CVE-2023-42119"]},"timeline":[{"kind":"published","date":"2023-10-26T21:01:30.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:50:59.248Z","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":"2026-10-20T20:17:52.517Z","stale":false,"partial":false}}