Vulnerability Report: GO-2026-4977
standard library- CVE-2026-42499
- Affects: net/mail
- Published: May 07, 2026
Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
Affected Packages
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PathGo VersionsSymbols
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before go1.25.10, from go1.26.0-0 before go1.26.3
Aliases
References
- https://go.dev/issue/78987
- https://go.dev/cl/771520
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://vuln.go.dev/ID/GO-2026-4977.json
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