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Vulnerability · Published Dec 18, 2025 · Assigned by redhat

CVE-2025-14874Nodemailer: nodemailer: denial of service via crafted email address header

High 7.5

In plain English

A high-severity security flaw in nodemailer from nodemailer. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A flaw was found in Nodemailer. This vulnerability allows a denial of service (DoS) via a crafted email address header that triggers infinite recursion in the address parser.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12node-nodemailerno fix listedDEBIAN-CVE-2025-14874
Debian:13node-nodemailerno fix listedDEBIAN-CVE-2025-14874
Debian:14node-nodemailer7.0.12+~7.0.5-1DEBIAN-CVE-2025-14874
Mavenorg.webjars.npm:nodemailerno fix listedGHSA-rcmh-qjqh-p98v
Ubuntu:22.04:LTSnode-nodemailerno fix listedUBUNTU-CVE-2025-14874
Ubuntu:24.04:LTSnode-nodemailerno fix listedUBUNTU-CVE-2025-14874
Ubuntu:25.10node-nodemailerno fix listedUBUNTU-CVE-2025-14874
Ubuntu:26.04:LTSnode-nodemailerno fix listedUBUNTU-CVE-2025-14874
Ubuntu:26.10node-nodemailerno fix listedUBUNTU-CVE-2025-14874
npmnodemailer7.0.11GHSA-rcmh-qjqh-p98v

Affected products (as reported)

VendorProductVersions
nodemailer nodemailer 0 – before 7.0.11
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2 see references
Red Hat Red Hat Ceph Storage 8 see references
Red Hat Red Hat Developer Hub 1 see references

Weakness: CWE-703 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References