CVE-2009-3243: Wireshark

Medium severity, CVSS 5.0. EPSS: 7.2% chance of exploitation in the next 30 days.

Unspecified vulnerability in the TLS dissector in Wireshark 1.2.0 and 1.2.1, when running on Windows, allows remote attackers to cause a denial of service (application crash) via unknown vectors related to TLS 1.2 conversations.

Affected products

• Wireshark Wireshark: version 1.2.0 only; version 1.2.1 only

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