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

Exp

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.

Published: 2025-12-18 Last update: 2026-01-08 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-14874 is rated Exploit Available (59.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.20%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-14874

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-14874

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-19 0.06% 0.20% +0.14%
2 2025-12-24 0.04% 0.06% +0.01%
3 2025-12-18 — 0.04% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-14874

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-14874

GitHub Security Advisory for CVE-2025-14874

GHSA-rcmh-qjqh-p98v · Severity: high · Ecosystem: npm — Nodemailer’s addressparser is vulnerable to DoS caused by recursive calls

OS Trackers for CVE-2025-14874

vendor priority summary link
debian not yet assigned CVE-2025-14874 not yet assigned priority: Debian including 1 source packages (node-nodemailer), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. https://security-tracker.debian.org/tracker/CVE-2025-14874
redhat medium — https://access.redhat.com/security/cve/CVE-2025-14874
ubuntu medium CVE-2025-14874 medium priority: Ubuntu including 1 source packages (node-nodemailer), 6 status rows across 6 suites (focal, jammy, noble, plucky, questing, upstream): needs-triage 5, ignored 1. https://ubuntu.com/security/CVE-2025-14874

Affected software / configurations for CVE-2025-14874

Vendor Product Version Raw CPE
nodemailer nodemailer < 7.0.11 cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:node.js:*:*
redhat advanced_cluster_management_for_kubernetes 2.0 cpe:2.3:a:redhat:advanced_cluster_management_for_kubernetes:2.0:*:*:*:*:*:*:*
redhat ceph_storage 8.0 cpe:2.3:a:redhat:ceph_storage:8.0:*:*:*:*:*:*:*
redhat developer_hub — cpe:2.3:a:redhat:developer_hub:-:*:*:*:*:*:*:*

References for CVE-2025-14874

cvelogic Threat Intelligence