high7.5
CVE-2026-67865
S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling.
Impact
S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_ack_bs.c
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_bs.c
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/Common/opcua_types/sopc_encoder.c
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/CMakeLists.txt
- https://gitlab.com/systerel/S2OPC/-/work_items/1785
- https://gitlab.com/systerel/S2OPC/-/work_items/1785