{"id":"CVE-2016-7037","details":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","modified":"2026-07-08T12:27:37.569373Z","published":"2017-01-23T21:59:02.487Z","references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/95847"},{"type":"FIX","url":"https://github.com/emarref/jwt/pull/20"},{"type":"FIX","url":"https://github.com/emarref/jwt/releases/tag/1.0.3"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/emarref/jwt","events":[{"introduced":"0"},{"last_affected":"4069f6a70909449d0cd245145055d8bd2a3de1f0"},{"fixed":"79f563750ff90dabd4fa677c4b4e5ec9ed52d9b4"}],"database_specific":{"cpe":"cpe:2.3:a:emarref:jwt:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.0.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["1.0.2","1.0.1","1.0.0","0.1.1","0.1.0","0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7037.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}