{"id":"UBUNTU-CVE-2025-45768","details":"pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).","modified":"2025-10-24T05:23:32Z","published":"2025-07-31T21:15:00Z","withdrawn":"2025-11-13T05:30:22Z","upstream":["CVE-2025-45768"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-45768"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-45768"},{"type":"REPORT","url":"https://gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569"},{"type":"REPORT","url":"https://github.com/advisories/GHSA-xpf8-484v-j9w6"}],"affected":[{"package":{"name":"pyjwt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@1.3.0-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-0ubuntu1","1.3.0-1","1.3.0-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-jwt","binary_version":"1.3.0-1ubuntu0.1"},{"binary_name":"python3-jwt","binary_version":"1.3.0-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"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"}]}],"versions":["1.4.2-1.1","1.5.3+ds1-1","1.5.3+ds1-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-jwt","binary_version":"1.5.3+ds1-1ubuntu0.1"},{"binary_name":"python3-jwt","binary_version":"1.5.3+ds1-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"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"}]}],"versions":["1.7.0-2","1.7.1-1","1.7.1-2ubuntu1","1.7.1-2ubuntu2","1.7.1-2ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-jwt","binary_version":"1.7.1-2ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@2.3.0-1ubuntu0.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.1-2ubuntu2","2.1.0-1","2.3.0-1","2.3.0-1ubuntu0.1","2.3.0-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-jwt","binary_version":"2.3.0-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pyjwt@2.7.0-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-jwt","binary_version":"2.7.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/pyjwt@2.10.1-2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.10.1-2","binary_name":"python3-jwt"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}},{"package":{"name":"pyjwt","ecosystem":"Ubuntu:25.04","purl":"pkg:deb/ubuntu/pyjwt@2.10.1-2?arch=source&distro=plucky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.0-1","2.10.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-jwt","binary_version":"2.10.1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45768.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"medium"}]}