GO-2025-4008 — Vulnetix

GO-2025-4008 PUBLISHED

ALPN negotiation error contains attacker controlled information in crypto/tls

Affected Products

Vendor	Product	Versions
Go	stdlib	1.25.0, 0, 0

Timeline

Oct 29, 2025 CVE Published
May 15, 2026 CVE Updated

References

https://go.dev/cl/707776 patch
https://go.dev/issue/75652 report
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI url

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