CVE-2026-15165

Wireshark versions 4.6.0 to 4.6.6 are vulnerable to a denial-of-service attack due to a crash in the TLS ECH decryptor. This issue could disrupt network analysis and monitoring activities, making it critical for network administrators and security professionals using these versions to prioritize an upgrade or patch. Organizations relying on Wireshark for secure communications analysis should address this vulnerability promptly to maintain operational integrity.