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CVE-2022-21670

MEDIUMCVSS 5.3/10EPSS 2.15%

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
5.3/10

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

EPSS Probability
2.15%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Markdown-It ProjectMarkdown-It<= 12.3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-21670?
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.
How severe is CVE-2022-21670?
CVE-2022-21670 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.
How do I fix CVE-2022-21670?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21670?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST