CVE-2023-39619

HIGHNVD 7.57.5—

7.5

ReDos in NPMJS Node Email Check v.1.0.4 allows an attacker to cause a denial of service via a crafted string to the scpSyntax component.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 37.5%
KEV: Not listed

Published

October 25, 2023

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://gist.github.com/6en6ar/712a4c1eab0324f15e09232c77ea08f8
cve@mitrehttps://github.com/teomantuncer/node-email-check/blob/main/main.js%2C
cve@mitrehttps://www.npmjs.com/package/node-email-check
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/6en6ar/712a4c1eab0324f15e09232c77ea08f8
af854a3a-2127-422b-91ae-364da2661108https://github.com/teomantuncer/node-email-check/blob/main/main.js%2C
af854a3a-2127-422b-91ae-364da2661108https://www.npmjs.com/package/node-email-check

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	node-email-check	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
node-email-check	—	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1333Inefficient Regular Expression Complexity (ReDoS)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 15:17 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-39619?

CVE-2023-39619 is a high vulnerability published on October 25, 2023. ReDos in NPMJS Node Email Check v.1.0.4 allows an attacker to cause a denial of service via a crafted string to the scpSyntax component.

When was CVE-2023-39619 disclosed?

CVE-2023-39619 was first published in the National Vulnerability Database on October 25, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-39619 actively exploited?

CVE-2023-39619 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39619?

CVE-2023-39619 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-39619?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39619, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-39619

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