CVE-2024-41818
ReDOS at currency parsing fast-xml-parser
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ReDOS at currency parsing fast-xml-parser
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.
- Record
CVE-2024-41818- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2024-2385
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.
- Record
EUVD-2024-2385- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mpg4-rc92-vx8v
fast-xml-parser vulnerable to ReDOS at currency parsing
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
- Record
GHSA-mpg4-rc92-vx8v- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400, CWE-1333
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-41818- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400, CWE-1333
- Updated
- 2026-11-02
OSV
ReDOS at currency parsing fast-xml-parser
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.
- Record
CVE-2024-41818- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVGHSA-mpg4-rc92-vx8v
fast-xml-parser vulnerable to ReDOS at currency parsing
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
- Record
GHSA-mpg4-rc92-vx8v- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1333, CWE-400
- Updated
- 2026-11-02
OSVCLSA-2026-1781744139 No score
TuxCare security update for fast-xml-parser (6 CVEs)
TuxCare rebuilt fast-xml-parser to address 6 CVEs. Fixed in 4.4.0-tuxcare.1.
- Record
CLSA-2026-1781744139- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fast-xml-parsernpm |
4.3.5 up to 4.4.1 | 4.4.1 |
fast-xml-parserTuxCare:npm From an advisory covering 6 CVEs |
4.4.0-tuxcare.0 up to 4.4.0-tuxcare.1, plus listed versions 4.4.0 |
4.4.0-tuxcare.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| facts | OSV | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-41818 is a high vulnerability (CVSS 7.5) in Naturalintelligence Fast-xml-parser, published July 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. Fixed in fast-xml-parser 4.4.1.
References
github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-mpg4-rc92-vx8v
nvd.nist.gov/vuln/detail/CVE-2024-41818