CVE-2021-22207: Debian Linux

Medium severity, CVSS 6.5. EPSS: 2% chance of exploitation in the next 30 days.

Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 33 only; version 34 only
• Oracle ZFS Storage Appliance Kit: version 8.8 only
• Wireshark Wireshark: from 3.2.0, up to and including 3.2.12; from 3.4.0, up to and including 3.4.4

Published 2021-04-23. Last modified 2026-06-17.