CVE-2009-3241: Wireshark

High severity, CVSS 7.8. EPSS: 9.7% chance of exploitation in the next 30 days.

Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.

Affected products

• Wireshark Wireshark: version 0.99.6 only; version 0.99.6a only; version 0.99.7 only; version 0.99.8 only; version 0.99.9 only; version 1.0 only; …

Published 2009-09-18. Last modified 2026-06-16.