CVE-2019-9209: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 1.4% chance of exploitation in the next 30 days.

In Wireshark 2.4.0 to 2.4.12 and 2.6.0 to 2.6.6, the ASN.1 BER and related dissectors could crash. This was addressed in epan/dissectors/packet-ber.c by preventing a buffer overflow associated with excessive digits in time values.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Opensuse Leap: version 15.0 only; version 15.1 only; version 42.3 only
• Wireshark Wireshark: from 2.4.0, up to and including 2.4.12; from 2.6.0, up to and including 2.6.6

Published 2019-02-28. Last modified 2026-06-17.