CVE-2021-21306

Denial of Service in Marked

Description

Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.60%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory npmjs.com
Affected: markedjs marked
Published at:
Updated at:

References

Link Tags
https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96 third party advisory
https://github.com/markedjs/marked/issues/1927 third party advisory
https://github.com/markedjs/marked/pull/1864 third party advisory patch
https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd third party advisory patch
https://www.npmjs.com/package/marked third party advisory product

Frequently Asked Questions

What is the severity of CVE-2021-21306?
CVE-2021-21306 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21306?
To fix CVE-2021-21306, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21306 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21306 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21306?
CVE-2021-21306 affects markedjs marked.
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