{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19108", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-06T13:58:41.401Z", "datePublished": "2026-08-06T20:30:14.200Z", "dateUpdated": "2026-08-06T20:30:14.200Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-06T20:30:14.200Z"}, "title": "MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "Use After Free"}]}, {"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"}, {"version": "1.6.2", "status": "unaffected"}], "cpes": ["cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*"], "modules": ["URCB Revalidation"]}], "descriptions": [{"lang": "en", "value": "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."}], "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:O/RC:C", "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:O/RC:C", "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:OF/RC:C"}}], "timeline": [{"time": "2026-08-06T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-06T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-06T16:34:33.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Chuan Wei", "type": "finder"}, {"lang": "en", "value": "VULL (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "SCU_1CP (VulDB User)", "type": "analyst"}], "references": [{"url": "https://vuldb.com/vuln/386569", "name": "VDB-386569 | MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/386569/cti", "name": "VDB-386569 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-19108", "name": "CVE-2026-19108 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/864520", "name": "Submit #864520 | MZ Automation libiec61850 1.6.1 Memory Corruption(heap-use-after-free)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/mz-automation/libiec61850/issues/596", "tags": ["issue-tracking"]}, {"url": "https://github.com/user-attachments/files/29163236/POC.zip", "tags": ["exploit"]}, {"url": "https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168", "tags": ["patch"]}, {"url": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2", "tags": ["patch"]}], "tags": ["x_open-source"], "x_generator": ["VulDB PVTS v202608"]}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.6.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.6.2"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "libiec61850", "source": "cna", "vendor": "MZ Automation"}, "product": "libiec61850", "vendor": "mz-automation"}], "created": "2026-08-06T23:45:03.531109+00:00", "updated": "2026-08-07T01:15:04.951412+00:00", "vendors": ["mz-automation", "mz-automation$PRODUCT$libiec61850"]}