VULNERABILITY INTELLIGENCE

CVE-2022-21670

CVSS score5.3 MEDIUM

EPSS probability2.28%

CISA KEVNot currently listed

Published2022-01-10

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

Weakness classification

security-advisories@github.com: CWE-400
nvd@nist.gov: CWE-1333

Primary references

security-advisories@github.com — Patch, Third Party Advisory
security-advisories@github.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory