CVE-2021-33502

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductNormalize-url
PublishedMay 24, 2021
First seenMay 24, 2021

How to fix

Update
  • normalize-url_project normalize-url4.5.1, 5.3.1 or later
  • normalize-url4.5.1, 5.3.1, 6.0.1 or later

Affected products

ProductAffected versionsFixed in
normalize-url_project normalize-url4.3.0 ≤ v < 4.5.1, 5.0.0 ≤ v < 5.3.1, 6.0.04.5.1, 5.3.1
normalize-urlnpm4.3.0 ≤ v < 4.5.1, 5.0.0 ≤ v < 5.3.1, 6.0.0 ≤ v < 6.0.14.5.1, 5.3.1, 6.0.1

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