CVE-2026-123612 | rustls up to 0.23.45 Handshake start_traffic information disclosure

November 8, 2026 Yanac

A vulnerability identified as problematic has been detected in rustls up to 0.23.45. Affected by this issue is the function start_traffic of the component Handshake. This manipulation causes information disclosure.

This vulnerability appears as CVE-2026-123612. The attack may be initiated remotely. There is no available exploit.

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