CVE-2026-3230

Description

A flaw was found in wolfSSL. A remote attacker could exploit a missing cryptographic step in the Transport Layer Security (TLS) 1.3 client HelloRetryRequest handshake logic. By sending a crafted HelloRetryRequest followed by a ServerHello message that omits the required key_share extension, an attacker could cause the derivation of predictable traffic secrets from the (Elliptic Curve) Diffie-Hellman Ephemeral ((EC)DHE) shared secret. This could lead to a compromise in the confidentiality of TLS-protected communications.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Access Control

Technical Impact: Bypass Protection Mechanism

Confidentiality,Integrity

Technical Impact: Read Application Data; Modify Application Data

Accountability,Non-Repudiation

Technical Impact: Hide Activities

Frequently Asked Questions

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