{"id":"UBUNTU-CVE-2023-6681","details":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","modified":"2026-05-20T16:16:25.150811791Z","published":"2024-02-12T14:15:00Z","upstream":["CVE-2023-6681"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6681"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-6681"}],"affected":[{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.2.1-1","binary_name":"python-jwcrypto"},{"binary_name":"python3-jwcrypto","binary_version":"0.2.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.2-1","0.4.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-jwcrypto","binary_version":"0.4.2-1"},{"binary_name":"python3-jwcrypto","binary_version":"0.4.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.0-1","0.6.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-jwcrypto","binary_version":"0.6.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.0-1","1.0.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0-2","binary_name":"python3-jwcrypto"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-1","1.5.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.4-1","binary_name":"python3-jwcrypto"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.6-1","binary_name":"python3-jwcrypto"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}},{"package":{"name":"python-jwcrypto","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/python-jwcrypto?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.6-1","binary_name":"python3-jwcrypto"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6681.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}