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Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a sing…

Historical advisory saved 11 Nov 2026 18:10:40 UTC. The publisher may have updated it since then. Latest advisory.

euvd · EUVD-2026-81296

Published

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the Node.js event loop for extended periods, consuming 100% CPU and freezing the process.

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Sep 16, 2026, 9:47:00 PM

dateUpdated: Sep 17, 2026, 1:23:33 PM

1 related source bulletins · separate from aliases

WID-SEC-W-2026-3621: IBM App Connect Enterprise: Mehrere Schwachstellen

CVE-2022-35948 · CVE-2026-13697 · CVE-2026-14643 · CVE-2026-15157 · CVE-2026-1527 · CVE-2026-16728 · CVE-2026-16729 · CVE-2026-59871 · CVE-2026-59873 · CVE-2026-59874 · CVE-2026-59875 · CVE-2026-92595 · CVE-2026-92596 · CVE-2026-92597 · CVE-2026-92598 · CVE-2026-9678

Source published
Sep 16, 2026, 9:47:00 PM (timezone not stated)
Source modified
Sep 17, 2026, 1:23:33 PM (timezone not stated)
Saved here
11 Nov 2026 18:10:40 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 4.0 · 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 02:45 UTC · 256 of 275 readable · 254 fully read · documentation 428/469 current