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 products
nodemailer: nodemailer; redhat: advanced cluster management for kubernetes; redhat: ceph storage; redhat: developer hub
References7
- github.com/nodemailer/nodemailer/security/advisories/GHSA-rcmh-… ExploitVendor Advisory
- github.com/nodemailer/nodemailer/security/advisories/GHSA-rcmh-… ExploitVendor Advisory
- github.com/nodemailer/nodemailer/commit/b61b9c0cfd682b6f647754c… Patch
- bugzilla.redhat.com/show_bug.cgi?id=2418133 ExploitIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2418133 ExploitIssue TrackingThird Party Advisory
- access.redhat.com/security/cve/CVE-2025-14874 Third Party Advisory
- github.com/nodemailer/nodemailer Product
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 49 · as of 11 November 2026
- CWE
- CWE-703
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.