CVE-2021-4183: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file

Affected products

• Fedoraproject Fedora: version 34 only; version 35 only
• Oracle HTTP Server: version 12.2.1.3.0 only; version 12.2.1.4.0 only
• Oracle ZFS Storage Appliance Kit: version 8.8 only
• Wireshark Wireshark: version 3.6.0 only

Published 2021-12-30. Last modified 2026-06-17.