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cve.nowby Sazabi
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smtp-server

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

Latest release
3.21.3 (Oct 29, 2026): no advisory affects it
Newest unaffected release
3.21.3 (Oct 29, 2026), the latest release
Advisories
1 · 1 high
Weekly downloads
923.1K
Dependents
189
Releases
113 since 1.0.0 (Feb 16, 2015)
Registry
npm
Releases read
Nov 8, 2026

Version timeline

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 1

  • An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write…

    Affected: fixed in 3.18.3.

    Fixed in 3.18.3 (released Mar 25, 2026, 51 days before disclosure).

    The latest release, 3.21.3, is not affected.

    18% of smtp-server downloads last week were affected versions (217.6K).