CVE-2026-38728

high

Description

An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write, lib/smtp-stream.js components

References

https://github.com/nodemailer/smtp-server/releases/tag/v3.18.3

https://github.com/nodemailer/smtp-server

https://bytecreator.dev/blog/CVE-2026-38728

Details

Source: Mitre, NVD

Published: 2026-05-15

Updated: 2026-05-18

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N