CVE-2020-11647: Debian Linux

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Affected products

• Debian Debian Linux: version 9.0 only
• Opensuse Leap: version 15.1 only; version 15.2 only
• Wireshark Wireshark: from 2.6.0, up to and including 2.6.15; from 3.0.0, up to and including 3.0.9; from 3.2.0, up to and including 3.2.2

Published 2020-04-10. Last modified 2026-06-17.