Low

Regular Expression Denial of Service in marked

  • Disclosed: 03.09.2020
  • Updated: 11.10.2026 10:22

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

Upgrade to version 0.7.0 or later.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package marked >= 0.4.0, < 0.7.0 0.7.0

References

CVSS score -
Weakness (CWE)
CWE-1333
Platform
npm
Package
marked
Disclosed
03.09.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-ch52-vgq2-943f - CC BY 4.0

Vulnerability history: marked

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (13) in the archive
Total entries
13
First → latest
10.2017 04.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 7
  • Low 1

Disclosures per year

  1. 2017: 2
  2. 2018: 2
  3. 2019: 2
  4. 2020: 2
  5. 2021: 1
  6. 2022: 2
  7. 2023: 0
  8. 2024: 0
  9. 2025: 1
  10. 2026: 1
Severity:
  1. High · 7.5 CVE-2022-21681 < 4.0.10 4.0.10
  2. High · 7.5 CVE-2022-21680 < 4.0.10 4.0.10
  3. Regular Expression Denial of Service in marked this entry
    Low ghsa-ch52-vgq2-943f >= 0.4.0, < 0.7.0 0.7.0
  4. High · 7.5 CVE-2017-16114 < 0.3.9 0.3.9
  5. High · 7.5 CVE-2015-8854 < 0.3.4 0.3.4

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