node-nodemailer: Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows...
CVE-2026-92596 is fixed in node-nodemailer on 1 platform by DEBIAN-CVE-2026-92596 (version 10.0.0+~8.0.1-1), released September 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| node-nodemailer · Debian 14 | 10.0.0+~8.0.1-1 | DEBIAN-CVE-2026-92596 | Sep 18, 2026 |
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