CVE-2021-22222: Debian Linux

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Oracle Enterprise Manager Ops Center: version 12.4.0.0 only
• Oracle Instantis Enterprisetrack: version 17.1 only; version 17.2 only; version 17.3 only
• Oracle ZFS Storage Appliance Kit: version 8.8 only
• Wireshark Wireshark: from 3.4.0, up to and including 3.4.5

Published 2021-06-07. Last modified 2026-06-17.