CVE-2017-13764

wireshark: Modbus dissector crash (wnpa-sec-2017-40)

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.0

Review impact separately from score.

Published · August 29, 2017

Updated · May 13, 2026

Description

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE not specified