CVE-2022-21670
Uncontrolled Resource Consumption in markdown-it
5.3
MEDIUM
CVSS 3.1
EPSS 1.1%
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.
How to fix CVE-2022-21670
To remediate CVE-2022-21670, upgrade the affected package to a fixed version below.
- —upgrade to 10.0.0+dfsg-2+deb11u1 or later
- —upgrade to 12.3.2 or later
Is CVE-2022-21670 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 10.0.0+dfsg-2+deb11u1
- from 0, < 12.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |