CVE-2022-0582: Debian Linux

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 34 only; version 35 only
• Wireshark Wireshark: from 3.4.0, before 3.4.12 (fixed in 3.4.12); version 3.6.0 only; version 3.6.1 only

Published 2022-02-14. Last modified 2026-06-17.