GO-2026-4977

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Source

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

Import Source

https://vuln.go.dev/ID/GO-2026-4977.json

JSON Data

https://api.osv.dev/v1/vulns/GO-2026-4977

Aliases

BIT-golang-2026-42499
CVE-2026-42499

Related

CGA-m28j-j59g-3rp3

Published

2026-05-07T19:21:40Z

Modified

2026-05-11T08:11:25.012229180Z

Summary

Quadratic string concatenation in consumePhrase in net/mail

Details

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

Database specific

{
    "url": "https://pkg.go.dev/vuln/GO-2026-4977",
    "review_status": "REVIEWED"
}

References

Affected packages

Go / stdlib

Package

Name: stdlib; View open source insights on deps.dev
Purl: pkg:golang/stdlib

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.25.10

Introduced

1.26.0-0

Fixed

1.26.3

Ecosystem specific

{
    "imports": [
        {
            "symbols": [
                "AddressParser.Parse",
                "AddressParser.ParseList",
                "Header.AddressList",
                "ParseAddress",
                "ParseAddressList",
                "addrParser.consumePhrase"
            ],
            "path": "net/mail"
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-4977.json"