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CVE-2026-90776

Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing PUBLISHED

Description (CNA)

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js event loop for several seconds, causing denial of service.

Affected (CNA)

Vendor / productVersions
nodemailer / nodemaileraffected 9.1.0 before 10.0.5; unaffected 10.0.5

CWE

CWE-407

References

ADP enrichment

CISA-ADP

No English description supplied.