{"id":"CVE-2024-28102","aliases":["GHSA-j857-7rvv-vj97","PYSEC-2026-1484"],"url":"https://o3.security/vulnerability/CVE-2024-28102","summary":"JWCrypto vulnerable to JWT bomb Attack in `deserialize` function","details":"JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.","published":"2024-03-06T21:09:58.064Z","modified":"2026-09-08T12:38:49.634236905Z","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"jwcrypto","fixedVersion":"1.5.6"}],"fix":{"url":"https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f","label":"latchset/jwcrypto@90477a3"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00026.html"},{"type":"WEB","url":"https://www.vicarius.io/vsociety/posts/denial-of-service-vulnerability-discovered-in-jwcrypto-cve-2024-28102-28103"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/28xxx/CVE-2024-28102.json"},{"type":"ADVISORY","url":"https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28102"},{"type":"FIX","url":"https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-08T12:38:49.634236905Z"}}