CVE-2026-42499

Description

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

PUBLISHED Reserved 2026-04-28 | Published 2026-05-07 | Updated 2026-05-08 | Assigner Go

Problem types

CWE-407: Inefficient Algorithmic Complexity

Product status

References

go.dev/issue/78987

go.dev/cl/771520

groups.google.com/g/golang-announce/c/qcCIEXso47M

pkg.go.dev/vuln/GO-2026-4977

cve.org (CVE-2026-42499)

nvd.nist.gov (CVE-2026-42499)

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