CVE-2026-15165: Wireshark

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

Affected products

• Wireshark Wireshark: from 4.6.0, before 4.6.7 (fixed in 4.6.7)

Published 2026-07-08. Last modified 2026-07-10.