{"schemaVersion":3,"id":"USN-5811-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"sudo vulnerabilities\n\nMatthieu Barjole and Victor Cutillas discovered that Sudo incorrectly\nhandled user-specified editors when using the sudoedit command. A local\nattacker that has permission to use the sudoedit command could possibly use\nthis issue to edit arbitrary files. (CVE-2023-22809)\n\nIt was discovered that the Protobuf-c library, used by Sudo, incorrectly\nhandled certain arithmetic shifts. An attacker could possibly use this\nissue to cause Sudo to crash, resulting in a denial of service. This issue\nonly affected Ubuntu 22.04 LTS. (CVE-2022-33070)","dates":{"published":"2023-01-18T17:44:58.000Z","modified":"2026-04-27T16:32:21.600Z","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":"sudo","name":"sudo","label":"sudo","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/sudo","purlType":"deb","versions":[{"text":"< 1.8.21p2-3ubuntu1.5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.8.31-1ubuntu1.4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.9.9-1ubuntu2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.8.21p2-3ubuntu1.5 | < 1.8.31-1ubuntu1.4 | < 1.9.9-1ubuntu2.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5811-1","label":"ubuntu.com/security/notices/USN-5811-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-33070","label":"ubuntu.com/security/CVE-2022-33070","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-22809","label":"ubuntu.com/security/CVE-2023-22809","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-33070","CVE-2023-22809"],"downstream":[],"duplicates":[],"related":["CVE-2022-33070","CVE-2023-22809"]},"timeline":[{"kind":"published","date":"2023-01-18T17:44:58.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T16:32:21.600Z","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":"2026-10-19T22:46:32.650Z","stale":false,"partial":false}}