## Nodemailer: A ">" inside a quoted local part ends an angle-addr early in addressparser, delivering to a domain the header does not name

- 種別: advisory
- 重大度: medium
- 関連技術: nodejs
- 公開日時: 2026-10-23T21:51:18.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-85x2-q946-cp5h)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-85x2-q946-cp5h

影響: npm:nodemailer >= 3.0.0, < 10.1.4 → 10.1.4
Vulnerability summary addressparser ends an angle-addr at the first > it sees, including one inside a quoted local part, a comment or a domain literal. The domain is then read off the text in front of that >. "@good.com> is the mailbox "a@evil.com>"@good.com under RFC 5322, and Nodemailer read it as an address at evil.com. The unbracketed spelling of the same value was already read correctly. Affected: 3.0.0 through 10.1.3. Attacker capabilities The attacker controls the text of a recipient or…