CVE-2026-82619— Systerel S2OPC subscription_mgr.c use after free
Quick assessment
Affected
Systerel S2OPC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitored_item_event_filter_treatment_bs__init_event_filter_ctx_and_result of the file src/ClientServer/services/bgenc/subscription_mgr.c. Such manipulation of t
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I. Basic Information for CVE-2026-82619
Vulnerability Information
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Vulnerability Title
Systerel S2OPC subscription_mgr.c use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Systerel S2OPC up to 1.7.3. The impacted element is the function monitored_item_event_filter_treatment_bs__init_event_filter_ctx_and_result of the file src/ClientServer/services/bgenc/subscription_mgr.c. Such manipulation of the argument EventFilter leads to use after free. The attack may be performed from remote. The exploit is publicly available and might be used. The name of the patch is a4cee16a851b971be447a6ed531173702c722b99. It is best practice to apply a patch to resolve this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-82619
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Patches & Fixes for CVE-2026-82619 (2)
Other References for CVE-2026-82619 (4)
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CVE-2026-82619 in S2OPC third-party-advisory
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🔗 CVE-2026-82619 Systerel S2OPC subscription_mgr.c use after free (ID 1797) Read full article vdb-entry technical-description
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Submit #893148: Systerel S2OPC OPC UA Toolkit 1.7.3 Heap Use After Free third-party-advisory
IV. Related Vulnerabilities
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Same vendor: Systerel
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CVE-2026-82618
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CVE-2026-9758
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Same weakness: CWE-416
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V. Comments for CVE-2026-82619
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