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: 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: 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...

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 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...

CVE-2026-63550 MZ Automation libiec61850 Out-of-bounds Read

The MMS BER decoder contains a boundary-handling flaw in the processing of certain fields within confirmed-request messages. When a crafted BER-encoded element is received over an established MMS session TCP port 102, the decoder may advance its internal read position incorrectly, leading to a he...

CVE-2026-16002 Out-of-bounds Read in MZ Automation lib60870

The affected product is vulnerable to an Out-of-bounds read, which may allow an attacker to crash the parsing process and cause a denial of service...

CVE-2026-16002

The CVE-2026-16002 entry concerns an Out-of-bounds read in MZ Automation lib60870. The vulnerability affects the library’s parsing path, which may crash parsing and lead to a denial of service. No exploitation details, affected versions, or remediation steps are provided in the supplied documents...

CVE-2026-16002 Out-of-bounds Read in MZ Automation lib60870

The affected product is vulnerable to an Out-of-bounds read, which may allow an attacker to crash the parsing process and cause a denial of service...

CVE-2026-50039 Stack-based Buffer Overflow in MZ Automation libIEC61850

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to cause a memory corruption via a Read Request...

CVE-2026-50039

CVE-2026-50039 affects libIEC61850 MMS value cache (v1.0.0 through v1.6.1). The vulnerability is a stack-based overflow via an unbounded copy, leading to DoS. The issue is pre-auth in the MMS value cache path and can be triggered by a network request that causes an overflow in the affected compon...

CVE-2026-50039 Stack-based Buffer Overflow in MZ Automation libIEC61850

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to cause a memory corruption via a Read Request...

MZ Automation lib60870

ADVISORY SUMMARY Successful exploitation of this vulnerability could cause the parsing process to crash, which will cause a denial of service. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this these vulnerabilityies. Minimize...