{"id":"CVE-2016-7036","aliases":["GHSA-w799-prg3-cx77","PYSEC-2017-28"],"url":"https://o3.security/vulnerability/CVE-2016-7036","summary":"python-jose failure to use a constant time comparison for HMAC keys","details":"python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constant time comparison for HMAC keys.","published":"2017-01-23T21:59:02.457Z","modified":"2026-07-08T12:27:39.083066Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"python-jose","fixedVersion":"1.3.2"}],"fix":{"url":"https://github.com/mpdavis/python-jose/pull/35/commits/89b46353b9f611e9da38de3d2fedf52331167b93","label":"mpdavis/python-jose#35"},"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/95845"},{"type":"FIX","url":"https://github.com/mpdavis/python-jose/pull/35/commits/89b46353b9f611e9da38de3d2fedf52331167b93"},{"type":"FIX","url":"https://github.com/mpdavis/python-jose/releases/tag/1.3.2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7036"},{"type":"WEB","url":"https://github.com/mpdavis/python-jose/commit/73007d6887a7517ac07c6e755e494baee49ef513"},{"type":"PACKAGE","url":"https://github.com/mpdavis/python-jose"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/python-jose/PYSEC-2017-28.yaml"},{"type":"WEB","url":"https://web.archive.org/web/20210123221523/http://www.securityfocus.com/bid/95845"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:27:39.083066Z"}}