CVE-2022-21670
Last modified
CVE-2022-21670 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 2.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Markdown-It Project | Markdown-It | <= 12.3.1 |
References
- https://github.com/markdown-it/markdown-it/commit/ffc49ab46b5b751cd2be0aabb146f2ef84986101Patch, Third Party Advisory
- https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6vfc-qv3f-vr6cExploit, Third Party Advisory
- https://github.com/markdown-it/markdown-it/commit/ffc49ab46b5b751cd2be0aabb146f2ef84986101Patch, Third Party Advisory
- https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6vfc-qv3f-vr6cExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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