Regular Expression Denial of Service in marked (GHSA-ch52-vgq2-943f)

Description

Affected versions of marked are vulnerable to Regular Expression Denial of Service (ReDoS). The _label subrule may significantly degrade parsing performance of malformed input.

Recommendation

Update the marked package to the latest compatible version. Followings are version details:

• Affected version(s): >= 0.4.0, < 0.7.0
• Patched version(s): 0.7.0

References

• GHSA-ch52-vgq2-943f
• www.npmjs.com
• CWE-1333

Related Issues

• Finance.js vulnerable to DoS via the IRR function’s depth parameter - CVE-2025-56571
• Mermaid improperly sanitizes sequence diagram labels leading to XSS - CVE-2025-54881
• Payload does not invalidate JWTs after log out (GHSA-5v66-m237-hwf7) - CVE-2025-4643
• Marked allows Regular Expression Denial of Service (ReDoS) attacks - CVE-2018-25110

Tags:

npm

marked