UNKNOWN Go
Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls
GO-2026-4870 · BIT-golang-2026-32283 · CVE-2026-32283
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Description
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service.
This only affects TLS 1.3.
References
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