CVE-2026-67866CWE-121

CVE-2026-67866

High · published August 6, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
56.9
In the wild
Unconfirmed
What it is

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00820 · 56.9th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-08-06T03:16Z
References (5)
https://github.com/gff-cw/information/issues/16 · [email protected]https://github.com/systerel/S2OPC/blob/master/samples/ClientServer/client_wrapper/examples/subscribe.c · [email protected]https://github.com/systerel/S2OPC/blob/master/src/ClientServer/frontend/client_wrapper/internal/state_machine.c · [email protected]https://gitlab.com/systerel/S2OPC/-/work_items/1780 · [email protected]https://github.com/gff-cw/information/issues/16 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 05 AUG 00:00Z
    Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the…
    cvelistv5