CVE-2026-32283

None

Open

TLP:CLEAR

Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls

NVD CVE.org

DDoS

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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.

Details

EPSS Score ⓘ: 0.62%

46.6th percentile
Confidence: 90%
Published: Apr 8, 2026
Last Modified: Aug 10, 2026

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