CVE-2019-5721: Wireshark

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.

Affected products

• Wireshark Wireshark: from 2.4.0, up to and including 2.4.11

Published 2019-01-08. Last modified 2026-06-17.