Answer in brief
CVE-2024-41818 records a High severity (CVSS 7.5) vulnerability in fast-xml-parser vulnerable to ReDOS at currency parsing. The current sources do not mark it as known exploited. The current feed maps fast-xml-parser (npm). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps fast-xml-parser (npm). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| fast-xml-parsernpm | >=4.3.5 <4.4.1 | 4.4.1 |
Published upstream
Jul 29, 2024
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
### 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
Quoted source text, attributed separately from HOL analysis.