{"schemaVersion":3,"id":"USN-6431-3","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"iperf3 vulnerability\n\nUSN-6431-1 fixed a vulnerability in iperf3. This update provides\nthe corresponding update for Ubuntu 22.04 LTS.\n\nOriginal advisory details:\n\n Jorge Sancho Larraz discovered that iperf3 did not properly manage certain\n inputs, which could cause the server process to stop responding, waiting\n for input on the control connection. A remote attacker could possibly use\n this issue to cause a denial of service. (LP: #2038654)","dates":{"published":"2023-10-16T15:52:56.000Z","modified":"2026-04-22T10:40:34.120Z","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":"iperf3","name":"iperf3","label":"iperf3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/iperf3","purlType":"deb","versions":[{"text":"< 3.9-1+deb11u1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.9-1+deb11u1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6431-3","label":"ubuntu.com/security/notices/USN-6431-3","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://launchpad.net/bugs/2038654","label":"launchpad.net/bugs/2038654","hostname":"launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2023-38403"]},"timeline":[{"kind":"published","date":"2023-10-16T15:52:56.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:40:34.120Z","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":"2026-10-20T11:51:02.223Z","stale":false,"partial":false}}