nodemailer
10.2.1 · 22 Oct 2026MIT-023.7M / weekRepositoryHomepagenpmAtom feed
Upgrading nodemailer from 9.0.6 to 9.1.0
1 release in betweenevery note read
- 0
- changes to make
- 3
- advisories fixed
- 1
- new
- 7
- fixes
Security
13 advisories still affect 9.1.0
- Nodemailer: Quadratic (O(n^2)) DKIM header unfolding lets a large folded header cause remote denial of service during signingmoderate · GHSA-39m8-27wv-hr27
- Nodemailer: Quadratic backtracking in SMTP AUTH mechanism detection regexes allows pre-auth remote denial of servicemoderate · GHSA-4ffr-jq9g-5ffx
- Nodemailer: Quadratic (O(n^2)) SMTP client reply parsing lets a malicious server or MITM cause a pre-auth remote denial of servicemoderate · GHSA-4g23-2xm8-66gc
Upgrading to 10.1.4 clears them.
Fixes 3 advisories affecting 9.0.6
- Nodemailer: Recipient-domain validation bypass via RFC 5322 comment mis-parsing leads to email delivery to an attacker-controlled domainmoderate · GHSA-cc9r-2j5m-2m83
- Nodemailer: IDN/Punycode domain allow-list bypass leads to email delivery to an attacker-controlled domainmoderate · GHSA-wmmp-3585-3rmp
- Nodemailer: Quadratic (O(n²)) time complexity in addressparser allows remote denial of service via a crafted address listhigh · GHSA-2x7j-588g-ccc2
Release by release
- new
mailer: cap recipients per message with maxRecipients
- fixed
addressparser: handle address lists in linear time
- fixed
addressparser: terminate the domain at an RFC 5322 comment
- fixed
mime-node: apply UTS-46 mapping when encoding a domain
- new