CVE-2026-19108
MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability was found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function deleteDataSetValuesShadowBuffer of the file src/iec61850/server/mms_mapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be approached locally. The exploit has been made public and could be used. Upgrading to version 1.6.2 is sufficient to fix this issue. The patch is identified as 486fd57f3aed65bb9d636ff00f9ddce2e450b168. Upgrading the affected component is advised.
| CWE | CWE-416 CWE-119 |
| Vendor | mz automation |
| Product | libiec61850 |
| Published | Aug 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
MZ Automation / libiec61850
1.6.0 1.6.1
References
vuldb.com: https://vuldb.com/vuln/386569 vuldb.com: https://vuldb.com/vuln/386569/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19108 vuldb.com: https://vuldb.com/submit/864520 github.com: https://github.com/mz-automation/libiec61850/issues/596 github.com: https://github.com/user-attachments/files/29163236/POC.zip github.com: https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168 github.com: https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2
Credits
Chuan Wei 🔍 VULL (VulDB User) SCU_1CP (VulDB User)