{"id":"USN-5526-1","summary":"pyjwt vulnerability","details":"Aapo Oksman discovered that PyJWT incorrectly handled signatures\nconstructed from SSH public keys. A remote attacker could use this to forge\na JWT signature.\n","modified":"2026-02-10T04:42:42Z","published":"2022-07-20T01:09:23Z","related":["UBUNTU-CVE-2022-29217"],"upstream":["CVE-2022-29217","UBUNTU-CVE-2022-29217"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5526-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-29217"}],"affected":[{"package":{"name":"pyjwt","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@1.5.3+ds1-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3+ds1-1ubuntu0.1"}]}],"versions":["1.4.2-1.1","1.5.3+ds1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.3+ds1-1ubuntu0.1","binary_name":"python-jwt"},{"binary_version":"1.5.3+ds1-1ubuntu0.1","binary_name":"python3-jwt"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2022-29217","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@1.7.1-2ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.1-2ubuntu2.1"}]}],"versions":["1.7.0-2","1.7.1-1","1.7.1-2ubuntu1","1.7.1-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.7.1-2ubuntu2.1","binary_name":"python3-jwt"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2022-29217","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@2.3.0-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu0.1"}]}],"versions":["1.7.1-2ubuntu2","2.1.0-1","2.3.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.0-1ubuntu0.1","binary_name":"python3-jwt"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2022-29217","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}