{"id":"CVE-2023-31582","aliases":["GHSA-7g24-qg88-p43q"],"url":"https://o3.security/vulnerability/CVE-2023-31582","summary":"jose4j uses weak cryptographic algorithm","details":"jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.","published":"2023-10-25T18:17:27.777Z","modified":"2026-03-14T12:06:58.971228Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.bitbucket.b_c:jose4j","fixedVersion":"0.9.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/KANIXB/JWTIssues/blob/main/jose4j%20issue.md"},{"type":"REPORT","url":"https://bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-then"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-14T12:06:58.971228Z"}}