CVE-2026-67867 Memory corruption in n/a
A remote attacker can cause a denial of service in Systerel S2OPC by triggering a buffer overflow during EventNotificationList processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67867?
CVE-2026-67867 is a high-severity memory corruption vulnerability in n/a, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data
Weakness: CWE-122
Which versions are affected by CVE-2026-67867?
How do I fix CVE-2026-67867?
No fix has been published for CVE-2026-67867 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-67867 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67867 exists.
Sources
Also known as GHSA-5rwg-mfvp-wq7w.