{"id":"CVE-2024-41818","aliases":["CLSA-2026-1781744139","EUVD-2024-2385","GHSA-mpg4-rc92-vx8v"],"status":"published","title":"ReDOS at currency parsing fast-xml-parser","description":"fast-xml-parser is an open source, pure javascript xml parser. a ReDOS exists on currency.js. This vulnerability is fixed in 4.4.1.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00828,"percentile":0.57808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-400"],"published":"2024-07-29T15:56:38Z","modified":"2026-11-05T13:28:24Z","fixes":[{"ecosystem":"npm","package":"fast-xml-parser","fixed_in":["4.4.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"fast-xml-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.5"},{"fixed":"4.4.1"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"fast-xml-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-tuxcare.0"},{"fixed":"4.4.0-tuxcare.1"}]}],"versions":["4.4.0"],"bundled":6},{"source":"osv","ecosystem":"npm","package":"fast-xml-parser","ranges":[{"type":"SEMVER","events":[{"introduced":"4.3.5"},{"fixed":"4.4.1"}]}]}],"products":[{"vendor":"naturalintelligence","product":"fast-xml-parser"},{"vendor":"naturalintelligence","product":"fast_xml_parser"}],"references":[{"url":"https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-mpg4-rc92-vx8v","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/NaturalIntelligence/fast-xml-parser/commit/ba5f35e7680468acd7906eaabb2f69e28ed8b2aa","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/NaturalIntelligence/fast-xml-parser/commit/d0bfe8a3a2813a185f39591bbef222212d856164","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/src/v5/valueParsers/currency.js#L10","tags":["x_refsource_MISC","x_transferred","Issue Tracking","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41818","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mpg4-rc92-vx8v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41818.json","tags":["advisory"]},{"url":"https://github.com/NaturalIntelligence/fast-xml-parser","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-41818","title":"ReDOS at currency parsing fast-xml-parser","description":"fast-xml-parser is an open source, pure javascript xml parser. a ReDOS exists on currency.js. This vulnerability is fixed in 4.4.1.","status":"published","published":"2024-07-29T15:56:38.999Z","modified":"2024-10-11T14:13:27.572Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:34:04.00829Z"}],"euvd":[{"id":"EUVD-2024-2385","description":"fast-xml-parser is an open source, pure javascript xml parser. a ReDOS exists on currency.js. This vulnerability is fixed in 4.4.1.","status":"published","published":"2024-07-29T15:56:38Z","modified":"2024-10-11T14:13:27Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:27:39.67018Z"}],"ghsa":[{"id":"GHSA-mpg4-rc92-vx8v","title":"fast-xml-parser vulnerable to ReDOS at currency parsing","description":"### Summary\nA ReDOS that exists on currency.js was discovered by Gauss Security Labs R\u0026D team.\n\n### Details\nhttps://github.com/NaturalIntelligence/fast-xml-parser/blob/v4.4.0/src/v5/valueParsers/currency.js#L10 contains a vulnerable regex \n\n### PoC\npass the following string '\\t'.repeat(13337)  + '.'\n\n### Impact\nDenial of service during currency parsing in experimental version 5 of fast-xml-parser-library\n\nhttps://gauss-security.com","status":"published","published":"2024-07-29T17:46:16Z","modified":"2024-10-11T14:14:07Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400","CWE-1333"],"updated_at":"2026-11-02T14:38:09.785133Z"}],"nvd":[{"id":"CVE-2024-41818","description":"fast-xml-parser is an open source, pure javascript xml parser. a ReDOS exists on currency.js. This vulnerability is fixed in 4.4.1.","status":"published","published":"2024-07-29T16:15:05.57Z","modified":"2026-06-17T07:48:17.39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400","CWE-1333"],"updated_at":"2026-11-02T14:10:14.437386Z"}],"osv":[{"id":"CVE-2024-41818","title":"ReDOS at currency parsing fast-xml-parser","description":"fast-xml-parser is an open source, pure javascript xml parser. a ReDOS exists on currency.js. This vulnerability is fixed in 4.4.1.","status":"published","published":"2024-07-29T15:56:38.999Z","modified":"2026-10-28T02:30:23.553891203Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:44:41.963899Z"},{"id":"GHSA-mpg4-rc92-vx8v","title":"fast-xml-parser vulnerable to ReDOS at currency parsing","description":"### Summary\nA ReDOS that exists on currency.js was discovered by Gauss Security Labs R\u0026D team.\n\n### Details\nhttps://github.com/NaturalIntelligence/fast-xml-parser/blob/v4.4.0/src/v5/valueParsers/currency.js#L10 contains a vulnerable regex \n\n### PoC\npass the following string '\\t'.repeat(13337)  + '.'\n\n### Impact\nDenial of service during currency parsing in experimental version 5 of fast-xml-parser-library\n\nhttps://gauss-security.com","status":"published","published":"2024-07-29T17:46:16Z","modified":"2026-09-10T03:50:16.865303607Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-1333","CWE-400"],"updated_at":"2026-11-02T15:46:52.170928Z"},{"id":"CLSA-2026-1781744139","title":"TuxCare security update for fast-xml-parser (6 CVEs)","description":"TuxCare rebuilt fast-xml-parser to address 6 CVEs. Fixed in 4.4.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:38Z","modified":"2026-11-05T13:28:24.682022025Z","updated_at":"2026-11-05T16:37:45.64821Z"}]}}