CVE-2018-12086
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 11.81% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- opcfoundation/unified architecture-.net-legacy · opcfoundation/unified architecture-java · opcfoundation/unified architecture .net-standard · opcfoundation/unified architecture ansic · debian/debian linux
- Source
- cve@mitre.org
EPSS moved from 9.0% on 21 September 2026 to 11.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/105538Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041909Third Party Advisory, VDB Entry
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdfVendor Advisory
- https://www.debian.org/security/2018/dsa-4359Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/105538Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041909Third Party Advisory, VDB Entry
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdfVendor Advisory
- https://www.debian.org/security/2018/dsa-4359Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.