CVE-2021-23425

Regular Expression Denial of Service (ReDoS)

5.3 MediumFix available

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

1.93%Up 0.9 points since Aug 19, 2021

What each source reports

CVE List Score used 5.3

Regular Expression Denial of Service (ReDoS)

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: CVE-2021-23425
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
Updated: 2026-11-02

EUVDEUVD-2021-1960 5.3

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: EUVD-2021-1960
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
Updated: 2026-11-03

GitHub AdvisoriesGHSA-38fc-wpqx-33j7 5.3

Uncontrolled Resource Consumption in trim-off-newlines

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: GHSA-38fc-wpqx-33j7
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-400
Updated: 2026-11-02

NVD 5.3

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: CVE-2021-23425
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

OSV 5.3

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: CVE-2021-23425
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVGHSA-38fc-wpqx-33j7 5.3

Uncontrolled Resource Consumption in trim-off-newlines

All versions of package trim-off-newlines are vulnerable to Regular Expression Denial of Service (ReDoS) via string processing.

Record: GHSA-38fc-wpqx-33j7
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-400
Updated: 2026-11-02

OSVRHSA-2022:4711 7.5

Red Hat Security Advisory: RHV Manager (ovirt-engine) [ovirt-4.5.0] security update

Record: RHSA-2022:4711
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

trim-off-newlines project trim-off-newlines

Affected packages

Affected packages
Package	Affected	Fixed
`trim-off-newlines` npm	before 1.0.3	1.0.3
`ovirt-engine-ui-extensions` Red Hat:rhev_manager:4.4:el8	before 0:1.3.3-1.el8ev	0:1.3.3-1.el8ev
`ovirt-web-ui` Red Hat:rhev_manager:4.4:el8	before 0:1.8.1-2.el8ev	0:1.8.1-2.el8ev
`ovirt-engine` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-backend` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-dbscripts` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-health-check-bundler` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-restapi` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-base` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev

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Affected packages
Package	Affected	Fixed
`ovirt-engine-setup-plugin-cinderlib` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-plugin-imageio` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-plugin-ovirt-engine` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-plugin-ovirt-engine-common` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-plugin-vmconsole-proxy-helper` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-setup-plugin-websocket-proxy` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-tools` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-tools-backup` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-vmconsole-proxy-helper` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-webadmin-portal` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`ovirt-engine-websocket-proxy` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`python3-ovirt-engine-lib` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev
`rhvm` Red Hat:rhev_manager:4.4:el8	before 0:4.5.0.7-0.9.el8ev	0:4.5.0.7-0.9.el8ev

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-23425 is a medium vulnerability (CVSS 5.3) in Trim-off-newlines Project Trim-off-newlines, published August 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. Fixed in trim-off-newlines 1.0.3.

References

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