Nodemailer DoS via crafted email header triggers infinite recursion
CVE-2025-14874 Published on December 18, 2025

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

NVD

Vulnerability Analysis

CVE-2025-14874 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Timeline

Reported to Red Hat.

Made public.

Weakness Type

Improper Check or Handling of Exceptional Conditions

The software does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the software.


Products Associated with CVE-2025-14874

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Red Hat Acm
 
Red Hat Ceph Storage
 
Red Hat Rhdh
 

Affected Versions

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

Exploit Probability

EPSS
0.09%
Percentile
24.75%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.