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Security Advisories

GO-2026-6090

https://pkg.go.dev/vuln/GO-2026-6090

Severity

Unknown
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Summary

Limit handshake messages we are willing to accept post-handshake in crypto/tls

Description

Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely.

  • https://nvd.nist.gov/vuln/detail/CVE-2026-56862

Affected packages


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