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    CVE-2026-82618

    A vulnerability was determined in Systerel S2OPC up to 1.7.3. The affected element is the function set_range_matrix_on_string_array of the file src/Common/opcua_types/sopc_builtintypes.c of the component String Array Range Writing. This manipulation causes out-of-bounds read. The attack is possible to be carried out remotely. The project was informed of the problem early through an issue report but has not responded yet.

    Published:Aug 31, 2026
    Last Modified:Aug 31, 2026
    EPS:Aug 31, 2026
    EPSS Score:0.00276
    CVSS Score:4.3

    Affected Products

    Vendor
    Systerel
    Product
    S2opc

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-67868 (CVSS 9.8) — A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling durin…
    CVE-2026-67866 (CVSS 7.5) — Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service vi…
    CVE-2026-67872 (CVSS 7.5) — An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored…
    CVE-2026-67865 (CVSS 7.5) — S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cau…
    CVE-2026-67871 (CVSS 7.5) — Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service vi…
    CVE-2026-67867 (CVSS 7.5) — Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service vi…
    CVE-2026-18790 (CVSS 1.9) — A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMac_ProcessMs…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High