Low severity2.7NVD Advisory· Published Mar 19, 2026· Updated Jun 17, 2026
CVE-2026-3230
CVE-2026-3230
Description
Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could lead to a compromise in the confidentiality of TLS-protected communications via a crafted HelloRetryRequest followed by a ServerHello message that omits the required key_share extension, resulting in derivation of predictable traffic secrets from (EC)DHE shared secret. This issue does not affect the client's authentication of the server during TLS handshakes.
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Affected products
3Patches
Vulnerability mechanics
References
1- github.com/wolfSSL/wolfssl/pull/9754nvdIssue TrackingPatch
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