{"id":"USN-6307-1","summary":"cjose vulnerability","details":"It was discovered that JOSE for C/C++ AES GCM decryption routine incorrectly\nuses the Tag length from the actual Authentication Tag provided in the JWE.\nAn attacker could use this to cause a denial of service (system crash) or\nmight expose sensitive information.\n","modified":"2026-04-27T16:48:40.399096Z","published":"2023-08-24T22:02:11Z","related":["UBUNTU-CVE-2023-37464"],"upstream":["CVE-2023-37464","UBUNTU-CVE-2023-37464"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6307-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-37464"}],"affected":[{"package":{"name":"cjose","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/cjose@0.6.0+dfsg1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.0+dfsg1-1ubuntu0.1~esm1"}]}],"versions":["0.4.1-3ubuntu1","0.5.1+dfsg1-1","0.5.1+dfsg1-2","0.5.1+dfsg1-2build1","0.6.0+dfsg1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libcjose0","binary_version":"0.6.0+dfsg1-1ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-37464","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","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":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6307-1.json"}},{"package":{"name":"cjose","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/cjose@0.6.1+dfsg1-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1+dfsg1-1ubuntu0.1"}]}],"versions":["0.6.1+dfsg1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libcjose0","binary_version":"0.6.1+dfsg1-1ubuntu0.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-37464","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","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":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6307-1.json"}},{"package":{"name":"cjose","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cjose@0.6.1+dfsg1-3ubuntu1.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1+dfsg1-3ubuntu1.1"}]}],"versions":["0.6.1+dfsg1-1","0.6.1+dfsg1-3","0.6.1+dfsg1-3ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libcjose0","binary_version":"0.6.1+dfsg1-3ubuntu1.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-37464","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","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":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6307-1.json"}}],"schema_version":"1.7.5"}