GO-2026-5942

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Source

https://pkg.go.dev/vuln/GO-2026-5942

Import Source

https://vuln.go.dev/ID/GO-2026-5942.json

JSON Data

https://api.osv.dev/v1/vulns/GO-2026-5942

Aliases

CVE-2026-46600

Published

2026-07-14T17:29:16Z

Modified

2026-07-21T19:15:26.389739734Z

Summary

Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

Details

Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.

Database specific

{
    "url": "https://pkg.go.dev/vuln/GO-2026-5942",
    "review_status": "REVIEWED"
}

References

Credits

- Mundur (https://github.com/M0nd0R)

Affected packages

Go / golang.org/x/net

Package

Name: golang.org/x/net; View open source insights on deps.dev
Purl: pkg:golang/golang.org/x/net

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.56.0

Ecosystem specific

{
    "imports": [
        {
            "symbols": [
                "Message.Unpack",
                "Parser.Additional",
                "Parser.AllAdditionals",
                "Parser.AllAnswers",
                "Parser.AllAuthorities",
                "Parser.Answer",
                "Parser.Authority",
                "Parser.HTTPSResource",
                "Parser.SVCBResource",
                "unpackSVCBResource"
            ],
            "path": "golang.org/x/net/dns/dnsmessage"
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-5942.json"