Inefficient Regular Expression Complexity Affecting node-got package, versions <11.8.1+~cs53.13.17-3


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.71% (75th percentile)

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  • Snyk IDSNYK-ECHOLATEST-NODEGOT-19946193
  • published19 Sept 2026
  • disclosed24 May 2021

Introduced: 24 May 2021

CVE-2021-33502  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Echo:latest node-got to version 11.8.1+~cs53.13.17-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream node-got package and not the node-got package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URLs.

CVSS Base Scores

version 3.1