CVE-2019-5717: Debian Linux

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

In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the P_MUL dissector could crash. This was addressed in epan/dissectors/packet-p_mul.c by rejecting the invalid sequence number of zero.

Affected products

  • Debian Debian Linux: version 8.0 only; version 9.0 only
  • Wireshark Wireshark: from 2.4.0, up to and including 2.4.11; from 2.6.0, up to and including 2.6.5

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