CVE-2026-67865
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 58% of all CVEs
observed exploitation
nono source reports it
S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
n/a · n/aReferences
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_ack_bs.chttps://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_bs.chttps://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/Common/opcua_types/sopc_encoder.chttps://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/CMakeLists.txthttps://gitlab.com/systerel/S2OPC/-/work_items/1785