A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiver_stopThreadless of the file src/sampled_values/sv_subscriber.c of the component ASDU Element Handler. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to mitigate this issue. The patch is named a96bd674e0238276dd1387d31d52e55229d0771e. The affected component should be upgraded.

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Solution

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History

Fri, 07 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Mz-automation
Mz-automation libiec61850
Vendors & Products Mz-automation
Mz-automation libiec61850

Fri, 07 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 14:15:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiver_stopThreadless of the file src/sampled_values/sv_subscriber.c of the component ASDU Element Handler. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to mitigate this issue. The patch is named a96bd674e0238276dd1387d31d52e55229d0771e. The affected component should be upgraded.
Title MZ Automation libiec61850 ASDU Element sv_subscriber.c SVReceiver_stopThreadless heap-based overflow
First Time appeared Mz Automation
Mz Automation libiec61850
Weaknesses CWE-119
CWE-122
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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-07T14:24:02.477Z

Reserved: 2026-08-07T08:08:58.628Z

Link: CVE-2026-19206

cve-icon Vulnrichment

Updated: 2026-08-07T14:22:35.721Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T15:30:04Z

Weaknesses