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CVE-2021-3765

validator: Inefficient Regular Expression Complexity in Validator.js

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · November 2, 2021

Updated · October 23, 2026

Description

A vulnerability was found in the validator package. Affected versions of this package are vulnerable to Regular expression denial of service (ReDoS) attacks, affecting system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-1333 · Inefficient Regular Expression Complexity