{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68908", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-31T21:04:04.040Z", "datePublished": "2026-10-16T15:47:25.012Z", "dateUpdated": "2026-10-16T16:51:44.888Z"}, "containers": {"cna": {"title": "libIEC61850: Oversized RptID can trigger invalid free of a stack-backed visible string in the report send path", "problemTypes": [{"descriptions": [{"cweId": "CWE-590", "lang": "en", "description": "CWE-590: Free of Memory not on the Heap", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-664", "lang": "en", "description": "CWE-664: Improper Control of a Resource Through its Lifetime", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-763", "lang": "en", "description": "CWE-763: Release of Invalid Pointer or Reference", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v"}, {"name": "https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e", "tags": ["x_refsource_MISC"], "url": "https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e"}, {"name": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2"}], "affected": [{"vendor": "mz-automation", "product": "libiec61850", "versions": [{"version": "< 1.6.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T15:47:25.012Z"}, "descriptions": [{"lang": "en", "value": "libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, Reporting_RCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes sendNextReportEntrySegment to serialize the report, the function wraps rptIdBuf[130] as a temporary MmsValue and passes it to MmsValue_setVisibleString. The setter's resize path frees the stack-backed buffer, allowing a remote client to trigger an invalid free and server crash by writing the oversized RptID and then generating a report. This issue is fixed in version 1.6.2."}], "source": {"advisory": "GHSA-7qg8-hm25-rv5v", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-16T16:51:16.889294Z", "id": "CVE-2026-68908", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T16:51:44.888Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "libiec61850", "vendor": "mz-automation", "versions": [{"status": "affected", "version": "< 1.6.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, Reporting_RCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes sendNextReportEntrySegment to serialize the report, the function wraps rptIdBuf[130] as a temporary MmsValue and passes it to MmsValue_setVisibleString. The setter's resize path frees the stack-backed buffer, allowing a remote client to trigger an invalid free and server crash by writing the oversized RptID and then generating a report. This issue is fixed in version 1.6.2."}], "id": "CVE-2026-68908", "lastModified": "2026-10-16T16:20:01.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-16T16:20:01.140", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e"}, {"source": "security-advisories@github.com", "url": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-590"}, {"lang": "en", "value": "CWE-664"}, {"lang": "en", "value": "CWE-763"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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