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JLSEC-2026-684 A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a...

🗓️ 14 Jul 2026 21:41:35Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

A malicious TLS 1.2 server can downgrade a TLS 1.3 client to an unagreed cipher due to partial server hello parsing.

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18 Jul 2026 00:02Current
6.2Medium risk
Vulners AI Score6.2
CVSS 45.1
CVSS 3.15.3
EPSS0.00466
5