CVE-2023-39619
Inefficient Regular Expression Complexity in node-email-check
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.
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
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-39619- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1333
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-39619- Updated
- 2026-11-02
EUVDEUVD-2023-2704 No score
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.
- Record
EUVD-2023-2704- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9242-6p36-6256
Inefficient Regular Expression Complexity in node-email-check
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.
- Record
GHSA-9242-6p36-6256- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1333
- Updated
- 2026-11-02
OSVGHSA-9242-6p36-6256
Inefficient Regular Expression Complexity in node-email-check
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.
- Record
GHSA-9242-6p36-6256- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1333
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2023-39619- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
node-email-checknpm |
through 1.0.4 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39619 is a high vulnerability (CVSS 7.5) in Teomantuncer Node Email Check, published October 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. No source names a fixed version.
References
github.com/teomantuncer/node-email-check/blob/main/main.js%2C
npmjs.com/package/node-email-check
gist.github.com/6en6ar/712a4c1eab0324f15e09232c77ea08f8
nvd.nist.gov/vuln/detail/CVE-2023-39619