{"id":"CVE-2023-30421","aliases":["EUVD-2023-34841","GHSA-rqfj-9wmv-vpgp"],"status":"published","title":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain...","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","severity":{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00156,"percentile":0.04786,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-407"],"published":"2025-04-19T00:00:00Z","modified":"2026-10-28T02:30:31Z","products":[{"vendor":"mjson project","product":"mjson"}],"references":[{"url":"https://github.com/boofish/json_bugs/blob/main/mjson","tags":["web"]},{"url":"https://github.com/cesanta/mjson/releases","tags":["package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30421","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rqfj-9wmv-vpgp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30421.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-30421","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","status":"published","published":"2025-04-19T00:00:00Z","modified":"2025-04-21T14:22:34.344Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-34841","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","status":"published","published":"2025-04-19T00:00:00Z","modified":"2025-04-21T14:22:34Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T20:52:18.663123Z"}],"ghsa":[{"id":"GHSA-rqfj-9wmv-vpgp","title":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain...","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","status":"published","published":"2025-04-20T00:31:40Z","modified":"2025-04-20T00:31:48Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:01:38.442003Z"}],"nvd":[{"id":"CVE-2023-30421","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","status":"published","published":"2025-04-19T22:15:14.24Z","modified":"2026-06-17T05:54:40.547Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:09:21.774456Z"}],"osv":[{"id":"CVE-2023-30421","description":"mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.","status":"published","published":"2025-04-19T00:00:00Z","modified":"2026-10-28T02:30:31.004644145Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:44:31.790231Z"}]}}