CVE-2024-41818
HIGH7.5EPSS 0.89%fast-xml-parser vulnerable to ReDOS at currency parsing
Published: 7/29/2024Modified: 2/4/2026
Description
### Summary A ReDOS that exists on currency.js was discovered by Gauss Security Labs R&D team. ### Details https://github.com/NaturalIntelligence/fast-xml-parser/blob/v4.4.0/src/v5/valueParsers/currency.js#L10 contains a vulnerable regex ### PoC pass the following string '\t'.repeat(13337) + '.' ### Impact Denial of service during currency parsing in experimental version 5 of fast-xml-parser-library https://gauss-security.com
Affected packages (1)
- npm/fast-xml-parser>= 4.3.5, < 4.4.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-41818
- PATCHhttps://github.com/NaturalIntelligence/fast-xml-parser
- WEBhttps://github.com/NaturalIntelligence/fast-xml-parser/blob/master/src/v5/valueParsers/currency.js#L10
- WEBhttps://github.com/NaturalIntelligence/fast-xml-parser/commit/ba5f35e7680468acd7906eaabb2f69e28ed8b2aa
- WEBhttps://github.com/NaturalIntelligence/fast-xml-parser/commit/d0bfe8a3a2813a185f39591bbef222212d856164
- WEBhttps://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-mpg4-rc92-vx8v