CVE-2021-21306 – marked

Package

Manager: npm
Name: marked
Vulnerable Version: >=1.1.1 <2.0.0

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00603 pctl0.68578

Details

Regular Expression Denial of Service (REDoS) in Marked ### Impact _What kind of vulnerability is it? Who is impacted?_ [Regular expression Denial of Service](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) A Denial of Service attack can affect anyone who runs user generated code through `marked`. ### Patches _Has the problem been patched? What versions should users upgrade to?_ patched in v2.0.0 ### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ None. ### References _Are there any links users can visit to find out more?_ https://github.com/markedjs/marked/issues/1927 https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS ### For more information If you have any questions or comments about this advisory: * Open an issue in [marked](https://github.com/markedjs/marked/issues)

Metadata

Created: 2021-02-08T21:17:58Z
Modified: 2021-02-08T21:17:26Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/02/GHSA-4r62-v4vq-hr96/GHSA-4r62-v4vq-hr96.json
CWE IDs: ["CWE-400"]
Alternative ID: GHSA-4r62-v4vq-hr96
Finding: F002
Auto approve: 1