CVE-2026-3203: Wireshark

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

Affected products

• Wireshark Wireshark: from 4.4.0, before 4.4.14 (fixed in 4.4.14); from 4.6.0, before 4.6.4 (fixed in 4.6.4)

Published 2026-02-25. Last modified 2026-06-17.