{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19259", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-07T13:56:48.293Z", "datePublished": "2026-08-08T06:00:09.941Z", "dateUpdated": "2026-08-08T06:00:09.941Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-08T06:00:09.941Z"}, "title": "MZ Automation libiec61850 MMS Protocol Workflow iec61850_common.c MmsMapping_varAccessSpecToObjectReference heap-based overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-122", "lang": "en", "description": "Heap-based Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "MZ Automation", "product": "libiec61850", "versions": [{"version": "1.6.0", "status": "affected"}, {"version": "1.6.1", "status": "affected"}], "cpes": ["cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*"], "modules": ["MMS Protocol Workflow"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function MmsMapping_varAccessSpecToObjectReference of the file src/iec61850/common/iec61850_common.c of the component MMS Protocol Workflow. Such manipulation of the argument GetNamedVariableListAttributesResponse.itemId leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-07T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-07T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-07T16:09:48.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Chuan Wei", "type": "finder"}, {"lang": "en", "value": "SCU_1CP (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "SCU_1CP (VulDB User)", "type": "analyst"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/387009", "name": "VDB-387009 | MZ Automation libiec61850 MMS Protocol Workflow iec61850_common.c MmsMapping_varAccessSpecToObjectReference heap-based overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/387009/cti", "name": "VDB-387009 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-19259", "name": "CVE-2026-19259 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/865176", "name": "Submit #865176 | MZ Automation libiec61850 1.6.1 Memory Corruption (Out-of-bounds Read)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/mz-automation/libiec61850/issues/599", "tags": ["issue-tracking"]}, {"url": "https://github.com/user-attachments/files/29190426/PoC.zip", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202608"]}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.6.1"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "libiec61850", "source": "cna", "vendor": "MZ Automation"}, "product": "libiec61850", "vendor": "mz-automation"}], "created": "2026-08-08T07:30:17.461489+00:00", "updated": "2026-08-08T07:45:03.016237+00:00", "vendors": ["mz-automation", "mz-automation$PRODUCT$libiec61850"]}