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Vulnerability record · CVE-2021-33623 · published 28 May 2021

CVE-2021-33623: Trim-newlines project trim-newlines uncontrolled resource consumption vulnerability

TTrim Newlines Project · Trim Newlines

The trim-newlines package before 3.0.1 and 4.x before 4.0.1 for Node.js has an issue related to regular expression denial-of-service (ReDoS) for the .end() method.

7.5 CVSS 3.1 High EPSS 2.9% · top 13.4% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The trim-newlines package before 3.0.1 and 4.x before 4.0.1 for Node.js has an issue related to regular expression denial-of-service (ReDoS) for the .end() method.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sindresorhus/trim-newlines/releases/tag/v4.0.1 PatchRelease Notes
https://lists.debian.org/debian-lts-announce/2022/12/msg00033.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0007/ Third Party Advisory
https://www.npmjs.com/package/trim-newlines Product
https://github.com/sindresorhus/trim-newlines/releases/tag/v4.0.1 PatchRelease Notes
https://lists.debian.org/debian-lts-announce/2022/12/msg00033.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0007/ Third Party Advisory
https://www.npmjs.com/package/trim-newlines Product

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Source: NIST National Vulnerability Database (record CVE-2021-33623), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.