NetSight
high7.5

CVE-2021-33502

ReDoS in normalize-url

Impact

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.

Affected packages

EcosystemPackageAffectedFixed in
npmnormalize-url>= 5.0.0, < 5.3.15.3.1

Affected products

VendorProductAffected versions
Normalize-Url ProjectNormalize-Url
from 4.3.0 before 4.5.1
from 5.0.0 before 5.3.1
Version 6.0.0

Weakness classification

References