CVE-2018-12086

high
Published 2018-10-16 · Modified 2023-11-08
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2
VIR risk
8.0

Description

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

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-12086

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-12086.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201810-9

OS impact

OSVersionStatusFixed in
arch archfixed2.6.4-1
suse slesaffected
debian debianbookwormfixed2.6.4-1
debian debianbullseyefixed2.6.4-1
debian debianforkyfixed2.6.4-1
debian debiansidfixed2.6.4-1
debian debiantrixiefixed2.6.4-1

Package impact

EcosystemPackageVulnerableFixed
nuget NuGetOPCFoundation.NetStandard.Opc.Ua<1.4.353.151.4.353.15

References

Verify integrity in audit chain (admin only). AS-IS.