{"id":"CVE-2023-52428","aliases":["GHSA-gvpg-vgmx-xg6w"],"url":"https://o3.security/vulnerability/CVE-2023-52428","summary":"Denial of Service in Connect2id Nimbus JOSE+JWT","details":"In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.","published":"2024-02-11T00:00:00Z","modified":"2026-08-12T03:51:25.055134664Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00814,"percentile":0.55108,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.nimbusds:nimbus-jose-jwt","fixedVersion":"9.37.2"}],"fix":null,"references":[{"type":"WEB","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526/"},{"type":"WEB","url":"https://connect2id.com/products/nimbus-jose-jwt"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52428.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52428"},{"type":"FIX","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/3b3b77e"},{"type":"PACKAGE","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt"},{"type":"WEB","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:25.055134664Z"}}