CVE-2023-4512: Wireshark

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Affected products

• Wireshark Wireshark: from 4.0.0, up to and including 4.0.7

Published 2023-08-24. Last modified 2026-06-17.