{"id":"USN-5526-2","aliases":[],"status":"published","title":"pyjwt regression","description":"USN-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.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-08-17T01:58:27Z","modified":"2026-02-10T04:42:42Z","fixes":[{"ecosystem":"Ubuntu:22.04:LTS","package":"pyjwt","fixed_in":["2.3.0-1ubuntu0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"pyjwt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu0.2"}]}],"versions":["1.7.1-2ubuntu2","2.1.0-1","2.3.0-1","2.3.0-1ubuntu0.1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-5526-2","tags":["advisory"]},{"url":"https://launchpad.net/bugs/1986487","tags":["report"]}],"sources":{"osv":[{"id":"USN-5526-2","title":"pyjwt regression","description":"USN-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.\n","status":"published","published":"2022-08-17T01:58:27Z","modified":"2026-02-10T04:42:42Z","updated_at":"2026-11-02T16:58:16.20937Z"}]}}