MZ Automation GmbH libiec61850 buffer error vulnerability

MZ Automation GmbH’s libiec61850 versions prior to 1.6.2 have a security vulnerability. This vulnerability arises from checkDataSetAccess, which reverses the source and destination parameters ofStringUtilscopyStringToBuffer when constructing the MMSASSOCIATIONSPECIFIC dataset reference. As a...

MZ Automation GmbH libIEC61850 Digital Error Vulnerability

MZ Automation GmbH’s libIEC61850 versions prior to 1.6.2 have security vulnerabilities. These vulnerabilities stem from the MMS file service accepting an excessive initialPosition during fileOpen and saving it to the file read state. The fileRead path uses unsigned arithmetic to subtract the larg...

MZ Automation GmbH libIEC61850: Input validation error vulnerability

MZ Automation GmbH’s libIEC61850 versions prior to 1.6.2 have security vulnerabilities. The vulnerability stems from the alternateArrayAccess function in src/mms/isomms/server/mmsreadservice.c. When numberOfElements is greater than 0, the function does not validate the range of the sub-array. As ...

CVE-2026-19259

A vulnerability has been found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function MmsMappingvarAccessSpecToObjectReference of the file src/iec61850/common/iec61850common.c of the component MMS Protocol Workflow. Such manipulation of the argument...

CVE-2026-19259: Heap-based Buffer Overflow

A vulnerability has been found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function MmsMappingvarAccessSpecToObjectReference of the file src/iec61850/common/iec61850common.c of the component MMS Protocol Workflow. Such manipulation of the argument...

EUVD-2026-54486

A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiverstopThreadless of the file src/sampledvalues/svsubscriber.c of the component ASDU Element Handler. Performing a manipulation results in heap-based buffer overflow. The attack must be...

CVE-2026-19206

A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiverstopThreadless of the file src/sampledvalues/svsubscriber.c of the component ASDU Element Handler. Performing a manipulation results in heap-based buffer overflow. The attack must be...

CVE-2026-19206: Heap-based Buffer Overflow

A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiverstopThreadless of the file src/sampledvalues/svsubscriber.c of the component ASDU Element Handler. Performing a manipulation results in heap-based buffer overflow. The attack must be...

CVE-2026-19108

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/mmsmapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be...

CVE-2026-19108: Use After Free

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/mmsmapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be...

CVE-2026-18583

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mmsmapping/mmsmapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...

CVE-2026-18583

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mmsmapping/mmsmapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...

EUVD-2026-52152

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mmsmapping/mmsmapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...

CVE-2026-18583 mz-automation libiec61850 MMS Request mms_mapping.c checkDataSetAccess out-of-bounds

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mmsmapping/mmsmapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...

CVE-2026-18582

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function ReportingRCBWriteAccessHandler of the file src/iec61850/server/mmsmapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not ...

CVE-2026-18582 mz-automation libiec61850 Report Sending Path reporting.c Reporting_RCBWriteAccessHandler free of memory not on the heap

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function ReportingRCBWriteAccessHandler of the file src/iec61850/server/mmsmapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not ...

CVE-2026-18582 mz-automation libiec61850 Report Sending Path reporting.c Reporting_RCBWriteAccessHandler free of memory not on the heap

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function ReportingRCBWriteAccessHandler of the file src/iec61850/server/mmsmapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not ...

CVE-2026-18582: Free of Memory not on the Heap

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function ReportingRCBWriteAccessHandler of the file src/iec61850/server/mmsmapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not ...

PT-2026-67142

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms mapping/mms mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...

CVE-2026-18583: Out-of-bounds Read

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mmsmapping/mmsmapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated...