Regular expression denial of service (ReDoS) in chrono-node
Priority LOW 37CWE-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 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
This affects the package chrono-node before 2.2.4. It hangs on a date-like string with lots of embedded spaces.
Why it matters now
EPSS 0.01987 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed chrono-node: 2.2.4chrono-node (npm): 2.2.4
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 |
|---|---|---|---|---|---|
| — | chrono-node | before 2.2.4 | 2.2.4 | Patch available | CNA |
| — | chrono-node (npm) | before 2.2.4 | 2.2.4 | Patch available | GHSA-hpmr-g4pq-jhgp |
- chrono-node Vendor— Affected before 2.2.4 Fixed in 2.2.4 Patch available CNA
- chrono-node (npm) Vendor— Affected before 2.2.4 Fixed in 2.2.4 Patch available GHSA-hpmr-g4pq-jhgp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:chrono-node_project:chrono-node:*:*:*:*:*:node.js:*:* | before 2.2.4 | Vulnerable | Chrono-node Project |
- cpe:2.3:a:chrono-node_project:chrono-node:*:*:*:*:*:node.js:*:* Versions before 2.2.4 Vulnerable ·Chrono-node Project
Remediation
- Fix · CNA chrono-node Fixed in 2.2.4
- Fix · GHSA-hpmr-g4pq-jhgp chrono-node (npm) Fixed in 2.2.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23371
- 2026-10-03 Alias added: GHSA-hpmr-g4pq-jhgp
References
Sources
- CVE-2021-23371 · CVE Program
- CVE-2021-23371 · NVD
- FIRST EPSS
- GHSA-hpmr-g4pq-jhgp · GitHub Advisory Database · CC BY 4.0
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