{"schemaVersion":3,"id":"USN-3228-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libevent vulnerabilities\n\nGuido Vranken discovered that libevent incorrectly handled memory when\nprocessing certain data. A remote attacker could possibly use this issue\nwith an application that uses libevent to cause a denial of service, or\npossibly execute arbitrary code.","dates":{"published":"2017-03-13T16:48:55.000Z","modified":"2026-04-22T09:33:38.226Z","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":"libevent","name":"libevent","label":"libevent","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libevent","purlType":"deb","versions":[{"text":"< 2.0.21-stable-1ubuntu1.14.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.0.21-stable-2ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.0.21-stable-1ubuntu1.14.04.2 | < 2.0.21-stable-2ubuntu0.16.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3228-1","label":"ubuntu.com/security/notices/USN-3228-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-10195","label":"ubuntu.com/security/CVE-2016-10195","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-10196","label":"ubuntu.com/security/CVE-2016-10196","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-10197","label":"ubuntu.com/security/CVE-2016-10197","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2016-10195","CVE-2016-10196","CVE-2016-10197"],"downstream":[],"duplicates":[],"related":["CVE-2016-10195","CVE-2016-10196","CVE-2016-10197"]},"timeline":[{"kind":"published","date":"2017-03-13T16:48:55.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:33:38.226Z","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":"2026-10-20T17:03:22.426Z","stale":false,"partial":false}}