Uncontrolled Resource Consumption in markdown-it
CVE-2022-21670

5.3MEDIUM

Key Information:

Vendor

Markdown-it

Status
Markdown-it
Vendor
CVE Published:
10 January 2022

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.

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Deploy the Patch

Affected Version(s)

markdown-it < 12.3.2

References

https://github.com/markdown-it/markdown-it/security/advis...
x_refsource_CONFIRM
https://github.com/markdown-it/markdown-it/commit/ffc49ab...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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