CVE-2023-39619 json
Inefficient Regular Expression Complexity in node-email-check
published 2023-10-24 3 y ago modified 2026-06-17 4 mo ago also GHSA-9242-6p36-6256 , EUVD-2023-2704
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/6en6ar/712a4c1eab0324f15e09232c77ea08f8 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | node-email-check | <=1.0.4 |
no fix listed |
Classification
- Weakness
-
- CWE-1333 Inefficient Regular Expression Complexity
References
-
gist.github.com
/6en6ar/712a4c1eab0324f15e09232c77ea08f8
web, exploit
- github.com /teomantuncer/node-email-check/blob/main/main.js%2C
-
npmjs.com
/package/node-email-check
web, product
-
nvd.nist.gov
/vuln/detail/CVE-2023-39619
advisory
-
github.com
/teomantuncer/node-email-check/issues/2
web
-
github.com
/teomantuncer/node-email-check
package
Sources
- CVE List CVE-2023-39619
- GitHub Advisory GHSA-9242-6p36-6256
- NVD CVE-2023-39619
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