Bug ID 1517557: Hybrid X25519_Kyber768 Post Quantum Cryptography Support

Last Modified: Sep 03, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Fixed In:
17.5.0

Opened: Feb 13, 2024

Severity: 3-Major

Symptoms

This is an improvement for X25519_Kyber768.

Impact

No option for enabling X25519_Kyber768.

Conditions

Handshakes that use non-PQC (Post-Quantum Cryptography) curves.

Workaround

None

Fix Information

New DH Curve introduced X25519Kyber768 with tls1.3 handshake which protects post-quantum crypto attacks.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips