{"schemaVersion":3,"id":"USN-5021-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"curl vulnerability\n\nUSN-5021-1 fixed vulnerabilities in curl. This update provides\nthe corresponding updates for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled\n TELNET connections when the -t option was used on the command line.\n Uninitialized data possibly containing sensitive information could be sent\n to the remote server, contrary to expectations. (CVE-2021-22898,\n CVE-2021-22925)","dates":{"published":"2022-01-20T11:40:36.000Z","modified":"2026-06-25T13:30:41.010Z","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":"curl","name":"curl","label":"curl","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/curl","purlType":"deb","versions":[{"text":"< 7.47.0-1ubuntu2.19+esm3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7.47.0-1ubuntu2.19+esm3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5021-2","label":"ubuntu.com/security/notices/USN-5021-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-22898","label":"ubuntu.com/security/CVE-2021-22898","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-22925","label":"ubuntu.com/security/CVE-2021-22925","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-22898","CVE-2021-22925"],"downstream":[],"duplicates":[],"related":["CVE-2021-22898","CVE-2021-22925"]},"timeline":[{"kind":"published","date":"2022-01-20T11:40:36.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:30:41.010Z","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":"2026-10-19T08:40:08.914Z","stale":false,"partial":false}}