Denial of Service in Marked
CVE-2021-21306

5.3MEDIUM

Key Information:

Vendor

Markedjs

Status
Marked
Vendor
CVE Published:
8 February 2021

What is CVE-2021-21306?

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.

Affected Version(s)

marked >= 1.1.1, < 2.0.0

References

https://github.com/markedjs/marked/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/markedjs/marked/issues/1927
x_refsource_MISC
https://github.com/markedjs/marked/pull/1864
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

.