{
    "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"
                }
            }
        ]
    }
}