Resource exhaustion in Markedjs Marked

CVE-2022-21681

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression `inline.reflinkSearch` may cause catastrophic backtracking against some strings and lead to a denial of service (DoS). Anyone who runs untrusted mark…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (72.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-21681?
CVE-2022-21681 is a high-severity vulnerability in Markedjs Marked, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-14.
How severe is CVE-2022-21681?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-21681 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.