Skip to content

Markdown-It Project · weakness class

Denial of Service

9 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

Every one of the 9 is a mark on the map. Named now: 1 to 9, most at risk first.

  1. Uncontrolled Resource Consumption in markdown-itCVE-2022-21670markdown-it · CVSS 5.3 · 2.4% likely

    CWE-400

  2. markdown-it html_re.js redosCVE-2015-10005Markdown-It Project · CVSS 3.5 · 1.0% likely

    CWE-1333

  3. Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the use of the regex /\*+$/ in the linkify…CVE-2026-2327Markdown-It Project · CVSS 5.3 · 0.7% likely

    CWE-1333

  4. markdown-it: Quadratic complexity in smartquotes with unmatched closing quotesCVE-2026-111759markdown-it · CVSS 7.5 · 0.6% likely

    CWE-407

  5. markdown-it: Quadratic-time rendering of a single multi-line link reference definition with default options (regression since 14.0)CVE-2026-111758markdown-it · CVSS 7.5 · 0.5% likely

    CWE-407

  6. linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker textCVE-2026-59887markdown-it · CVSS 7.5 · 0.5% likely

    CWE-407

  7. markdown-it: Quadratic-time denial of service in inline HTML parsing with html enabledCVE-2026-111766markdown-it · CVSS 3.7 · 0.4% likely

    CWE-407

  8. linkify-it: Quadratic algorithmic complexity in LinkifyIt#match scan loopCVE-2026-48801markdown-it · CVSS 8.7 · 0.4% likely

    CWE-1333

  9. markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operationsCVE-2026-48988markdown-it · CVSS 5.3 · 0.4% likely

    CWE-400

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.