Description

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

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References

Other References

https://go.dev/cl/786345 https://go.dev/issue/79795 https://pkg.go.dev/vuln/GO-2026-5942

Frequently Asked Questions

What is CVE-2026-46600? +

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

How do I check if I'm vulnerable to CVE-2026-46600? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.