CVE-2021-21306: Denial of Service in Marked
First published: Mon Feb 08 2021(Updated: )
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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Marked Project | >=1.1.1<2.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-21306?
CVE-2021-21306 is considered a moderate severity vulnerability due to its potential to cause Denial of Service through regular expressions.
How do I fix CVE-2021-21306?
To fix CVE-2021-21306, upgrade the marked npm package to version 2.0.0 or later.
Who is affected by CVE-2021-21306?
CVE-2021-21306 affects any application running user-generated code through versions of marked between 1.1.1 and before 2.0.0.
What type of vulnerability is CVE-2021-21306?
CVE-2021-21306 is classified as a Regular expression Denial of Service (ReDoS) vulnerability.
When was CVE-2021-21306 discovered?
CVE-2021-21306 was disclosed in early 2021.
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