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.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
MZ Automation libiec61850 affected
Version Status Constraints
1.6.0 affected —
1.6.1 affected —
1.6.2 unaffected —

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Project Subscriptions

Vendors Products
Mz Automation Subscribe
Libiec61850 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168 cve-icon
https://github.com/mz-automation/libiec61850/issues/596 cve-icon
https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2 cve-icon
https://github.com/user-attachments/files/29163236/POC.zip cve-icon
https://vuldb.com/cve/CVE-2026-19108 cve-icon
https://vuldb.com/submit/864520 cve-icon
https://vuldb.com/vuln/386569 cve-icon
https://vuldb.com/vuln/386569/cti cve-icon
History

Thu, 06 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Description 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.
Title MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
First Time appeared Mz Automation
Mz Automation libiec61850
Weaknesses CWE-119
CWE-416
CPEs cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*
Vendors & Products Mz Automation
Mz Automation libiec61850
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-06T20:30:14.200Z

Reserved: 2026-08-06T13:58:41.401Z

Link: CVE-2026-19108

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses