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CVE-2026-92596

Nodemailer before 9.1.0 Denial of Service via addressparser PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
nodemailer / nodemaileraffected 0 before 9.1.0; unaffected 9.1.0

CWE

CWE-400

References

ADP enrichment

CISA-ADP

No English description supplied.