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Fencer Vulns
high 7.5

CVE-2025-14874 json

Nodemailer: nodemailer: denial of service via crafted email address header

published 2025-12-01 11 mo ago modified 2026-10-27 13 d ago also GHSA-rcmh-qjqh-p98v , EUVD-2025-204250

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

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.

Patch / fix

  • npm nodemailer 7.0.11
  • nodemailer nodemailer 7.0.11
  • node-nodemailer Debian 14 7.0.12+~7.0.5-1

debian advisories DEBIAN-CVE-2025-14874

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-14874 updated cvss 7.5

nodemailer: Nodemailer: Denial of service via crafted email address header

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/acm-grafana-rhel9 Red Hat Ceph Storage 8 rhceph/grafana-rhel9 Red Hat Developer Hub 1 rhdh/rhdh-hub-rhel9
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2418133 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/nodemailer/nodemailer/security/advisories/GHSA-rcmh-qjqh-p98v referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 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 nodemailer
>=3.0.0, <7.0.11
7.0.11
maven org.webjars.npm:nodemailer
>=3.0.0, <=6.10.1
 no fix listed

Affected products

  • nodemailer nodemailer
  • Red Hat Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat Red Hat Ceph Storage 8
  • Red Hat Red Hat Developer Hub 1

Classification

Weakness
  • CWE-703 Improper Check or Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.