Denial of Service in markdown-it-toc-and-anchor
Priority LOW 38CWE-400Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-400.
Summary
All versions of `markdown-it-toc-and-anchor` are vulnerable to Denial of Service. Parsing markdown containing `**text**+\n@[toc]` causes the application to enter and infinite loop. ## Recommendation No fix is currently available. Consider using an alternative module until a fix is made available.
Why it matters now
Fix Fixed markdown-it-toc-and-anchor (npm): 4.2.0
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 |
|---|---|---|---|---|---|
| — | markdown-it-toc-and-anchor (npm) | before 4.2.0 | 4.2.0 | Patch available | GHSA-x6m6-5hrf-fh6r |
- markdown-it-toc-and-anchor (npm) Vendor— Affected before 4.2.0 Fixed in 4.2.0 Patch available GHSA-x6m6-5hrf-fh6r
Remediation
- Fix · GHSA-x6m6-5hrf-fh6r markdown-it-toc-and-anchor (npm) Fixed in 4.2.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-x6m6-5hrf-fh6r
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences