What is GHSA-x6m6-5hrf-fh6r?

GHSA-x6m6-5hrf-fh6r is a security advisory published by GitHub Security Advisories with High severity. Denial of Service in markdown-it-toc-and-anchor

Why does GHSA-x6m6-5hrf-fh6r have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

What is the CVSS v3 score of GHSA-x6m6-5hrf-fh6r?

GHSA-x6m6-5hrf-fh6r has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-x6m6-5hrf-fh6r?

GHSA-x6m6-5hrf-fh6r affects 1 product, including: npm/markdown-it-toc-and-anchor:\u003c 4.2.0.

GHSA-x6m6-5hrf-fh6rHighCVSS 7.5Disclosed before NVD

Denial of Service in markdown-it-toc-and-anchor

Vendor

GitHub Security Advisories

Published

September 1, 2020

Last Modified

December 7, 2023

📋 Description

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.

🎯 Affected products1

npm/markdown-it-toc-and-anchor:< 4.2.0

🔗 References (4)

https://www.npmjs.com/advisories/749
https://github.com/medfreeman/markdown-it-toc-and-anchor
https://snyk.io/vuln/SNYK-JS-MARKDOWNITTOCANDANCHOR-73500
https://github.com/advisories/GHSA-x6m6-5hrf-fh6r