A ReDoS (regular expression denial of service) flaw was found in the…
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
A ReDoS (regular expression denial of service) flaw was found in the @progfay/scrapbox-parser package before 6.0.3 for Node.js.
Why it matters now
EPSS 0.01759 78th percentileScored 2026-11-07
Fix Fixed @progfay/scrapbox-parser (npm): 6.0.3, 7.0.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | @progfay/scrapbox-parser (npm) | before 6.0.3 | 6.0.3 | Patch available | GHSA-9fhw-r42p-5c7r |
| — | @progfay/scrapbox-parser (npm) | 7.0.0 to before 7.0.2 | 7.0.2 | Patch available | GHSA-9fhw-r42p-5c7r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- @progfay/scrapbox-parser (npm) Vendor— Affected before 6.0.3 Fixed in 6.0.3 Patch available GHSA-9fhw-r42p-5c7r
- @progfay/scrapbox-parser (npm) Vendor— Affected 7.0.0 to before 7.0.2 Fixed in 7.0.2 Patch available GHSA-9fhw-r42p-5c7r
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:scrapbox-parser_project:scrapbox-parser:*:*:*:*:*:node.js:*:* | before 6.0.3 | Vulnerable | Scrapbox-parser Project |
- cpe:2.3:a:scrapbox-parser_project:scrapbox-parser:*:*:*:*:*:node.js:*:* Versions before 6.0.3 Vulnerable ·Scrapbox-parser Project
Remediation
- Fix · GHSA-9fhw-r42p-5c7r @progfay/scrapbox-parser (npm) Fixed in 6.0.3 Advisory →
- Fix · GHSA-9fhw-r42p-5c7r @progfay/scrapbox-parser (npm) Fixed in 7.0.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27405
- 2026-10-03 Alias added: GHSA-9fhw-r42p-5c7r
References
Patch 3
Advisory 2
Sources
- CVE-2021-27405 · CVE Program
- CVE-2021-27405 · NVD
- FIRST EPSS
- GHSA-9fhw-r42p-5c7r · GitHub Advisory Database · CC BY 4.0
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