CVE-2018-12086

wireshark: OpcUa dissector crash

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · October 10, 2018

Updated · January 14, 2026

Description

Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.

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 · 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-20 · Improper Input Validation