CVE-2018-12086
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
02 Description
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 11.80% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-09-14 21:00Z8 YR AGO
- Last updated
- 2024-08-05 08:24Z2 YR AGO
- Reserved
- 2018-06-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 942463bd5dc79b12033799f4a08e8be2ab7310b4448c2145b15243f6ab5df16f
05 Affected products
06 References
- www.securitytracker.com1041909http://www.securitytracker.com/id/1041909
- www.securityfocus.com105538http://www.securityfocus.com/bid/105538
- www.debian.orgDSA-4359https://www.debian.org/security/2018/dsa-4359
- opcfoundation-onlineapplications.orghttps://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf
- lists.opensuse.orgopenSUSE-SU-2020:0362http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
07 Fixed in
Arch Linux
- wireshark-cli Fixed in 2.6.4-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- wireshark Fixed in 2.6.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- wireshark Fixed in 2.6.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- wireshark Fixed in 2.6.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.