CVE-2022-21670

Uncontrolled Resource Consumption in markdown-it

Published Jan 10, 2022 CVSS 3.1 · 5.3 Medium EPSS 2.4% KEV · Not listed
Description
markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2022-0488 markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading.
Github GHSA Github GHSA GHSA-6vfc-qv3f-vr6c Uncontrolled Resource Consumption in markdown-it
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 22, 2025, 6:33 PM
Reserved
Nov 16, 2021, 12:00 AM
Status
Modified
Published
Jan 10, 2022, 9:15 PM
Modified
Jun 17, 2026, 4:26 AM