Description
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 2.6.4-1 | — |
| Debian 13 | wireshark | 2.6.4-1 | — |
| Debian 12 | wireshark | 2.6.4-1 | — |
| Debian 9 | wireshark | 2.6.5-1~deb9u1 | DSA-4359-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | libmaxminddb | 1.4.2-1.3.1 | SUSE-SU-2020:0693-1 |
| SLES 15 SP1 | spandsp | 0.0.6-3.2.1 | SUSE-SU-2020:0693-1 |
| SLES 15 SP1 | wireshark | 3.2.2-3.35.2 | SUSE-SU-2020:0693-1 |
| SLES 15 | libmaxminddb | 1.4.2-1.3.1 | SUSE-SU-2020:0693-1 |
| SLES 15 | spandsp | 0.0.6-3.2.1 | SUSE-SU-2020:0693-1 |
| SLES 15 | wireshark | 2.4.10-3.12.2 | SUSE-SU-2020:0693-1, SUSE-SU-2018:3282-1 |
| SLES 12 SP4 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-2 |
| SLES 12 SP3 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SLES 12 SP2 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SLES 12 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SLES for SAP 15 | libmaxminddb | 1.4.2-1.3.1 | SUSE-SU-2020:0693-1 |
| SLES for SAP 15 | spandsp | 0.0.6-3.2.1 | SUSE-SU-2020:0693-1 |
| SLES for SAP 15 | wireshark | 3.2.2-3.35.2 | SUSE-SU-2020:0693-1 |
| SLES for SAP 12 SP4 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-2 |
| SLES for SAP 12 SP3 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SLES for SAP 12 SP2 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SLES for SAP 12 SP1 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-3 |
| SLE HPC 15 | libmaxminddb | 1.4.2-1.3.1 | SUSE-SU-2020:0693-1 |
| SLE HPC 15 | spandsp | 0.0.6-3.2.1 | SUSE-SU-2020:0693-1 |
| SLE HPC 15 | wireshark | 3.2.2-3.35.2 | SUSE-SU-2020:0693-1 |
| SUSE OpenStack Cloud 7 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
| SUSE Enterprise Storage 4 | wireshark | 2.4.10-48.32.1 | SUSE-SU-2018:3590-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.4.8-1.2 | openSUSE-SU-2024:11513-1 |
| openSUSE Leap 15.1 | libmaxminddb | 1.4.2-lp151.3.3.1 | openSUSE-SU-2020:0362-1 |
| openSUSE Leap 15.1 | spandsp | 0.0.6-lp151.3.3.1 | openSUSE-SU-2020:0362-1 |
| openSUSE Leap 15.1 | wireshark | 3.2.2-lp151.2.9.1 | openSUSE-SU-2020:0362-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 2.6.4-r0 | — |
| Alpine v3.23 | wireshark | 2.6.4-r0 | — |
| Alpine v3.22 | wireshark | 2.6.4-r0 | — |
| Alpine v3.21 | wireshark | 2.6.4-r0 | — |
| Alpine v3.20 | wireshark | 2.6.4-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 2.6.4-r0 | — |
| Alpine v3.18 | wireshark | 2.6.4-r0 | — |
| Alpine v3.17 | wireshark | 2.6.4-r0 | — |
| Alpine v3.16 | wireshark | 2.6.4-r0 | — |
| Alpine v3.15 | wireshark | 2.6.4-r0 | — |
| Alpine v3.14 | wireshark | 2.6.4-r0 | — |
| Alpine v3.13 | wireshark | 2.6.4-r0 | — |
| Alpine v3.12 | wireshark | 2.6.4-r0 | — |
| Alpine v3.11 | wireshark | 2.6.4-r0 | — |
| Alpine v3.10 | wireshark | 2.6.4-r0 | — |
| Alpine v3.9 | wireshark | 2.6.4-r0 | — |
| Alpine v3.8 | wireshark | 2.4.10-r0 | — |
| Alpine v3.7 | wireshark | 2.4.10-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
kevinherron/stack-overflow-poc ★ 0 · Feb 20, 2019
PoC for CVE-2018-12086 affecting various OPC UA stacks
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | OPCFoundation.NetStandard.Opc.Ua | < 1.4.353.15 | 1.4.353.15 | GHSA-782p-53wq-cxmj |
Advisories 8
- DSA-4359-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0362-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0693-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3282-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11513-1 libwireshark14-3.4.8-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3590-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3590-2 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3590-3 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 1041909 vdb-entry
- 105538 vdb-entry
- DSA-4359 vendor-advisory
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf
- openSUSE-SU-2020:0362 vendor-advisory