Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRyNjItdjR2cS1ocjk2

Regular Expression Denial of Service (REDoS) in Marked

Impact

What kind of vulnerability is it? Who is impacted?

Regular expression Denial of Service

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

Permalink: https://github.com/advisories/GHSA-4r62-v4vq-hr96
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRyNjItdjR2cS1ocjk2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 3 years ago
Updated: 10 months ago

CVSS Score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Identifiers: GHSA-4r62-v4vq-hr96, CVE-2021-21306
References:

• https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96
• https://github.com/markedjs/marked/issues/1927
• https://github.com/markedjs/marked/pull/1864
• https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd
• https://www.npmjs.com/package/marked
• https://nvd.nist.gov/vuln/detail/CVE-2021-21306
• https://github.com/advisories/GHSA-4r62-v4vq-hr96

Affected Packages