{"schemaVersion":3,"id":"USN-5526-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"pyjwt regression\n\nUSN-5526-1 fixed vulnerabilities in PyJWT. Unfortunately this caused a\nregression by incrementing the internal package version number on Ubuntu\n22.04 LTS.  This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Aapo Oksman discovered that PyJWT incorrectly handled signatures\n constructed from SSH public keys. A remote attacker could use this to forge\n a JWT signature.","dates":{"published":"2022-08-17T01:58:27.000Z","modified":"2026-02-10T04:42:42.000Z","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":"pyjwt","name":"pyjwt","label":"pyjwt","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pyjwt","purlType":"deb","versions":[{"text":"< 2.3.0-1ubuntu0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.0-1ubuntu0.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5526-2","label":"ubuntu.com/security/notices/USN-5526-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://launchpad.net/bugs/1986487","label":"launchpad.net/bugs/1986487","hostname":"launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2022-29217"]},"timeline":[{"kind":"published","date":"2022-08-17T01:58:27.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:42:42.000Z","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":"2026-10-20T05:51:25.466Z","stale":false,"partial":false}}