{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-11964",
        "assignerOrgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
        "state": "PUBLISHED",
        "assignerShortName": "Tcpdump",
        "dateReserved": "2025-10-20T14:43:15.180Z",
        "datePublished": "2025-12-31T00:58:19.026Z",
        "dateUpdated": "2026-01-02T14:38:10.106Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "libpcap",
                    "programFiles": [
                        "fmtutils.c"
                    ],
                    "programRoutines": [
                        {
                            "name": "utf_16le_to_utf_8_truncated()"
                        }
                    ],
                    "repo": "https://github.com/the-tcpdump-group/libpcap/",
                    "vendor": "The Tcpdump Group",
                    "versions": [
                        {
                            "lessThan": "1.10.6",
                            "status": "affected",
                            "version": "1.10.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Aniruddhan Murali"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Noble Saji Mathews"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Mahmoud Alfadel"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Mei Nagappan"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Meng Xu"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 1.9,
                        "baseSeverity": "LOW",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "HIGH",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-787",
                            "description": "CWE-787 Out-of-bounds Write",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
                "shortName": "Tcpdump",
                "dateUpdated": "2025-12-31T00:58:19.026Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "libpcap 1.10.6 includes a fix for this bug."
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "OOBW in utf_16le_to_utf_8_truncated() in libpcap"
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-02T14:23:03.611964Z",
                                "id": "CVE-2025-11964",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "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": "2026-01-02T14:38:10.106Z"
                }
            }
        ]
    }
}