{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-85438",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-09-03T19:50:56.896Z",
        "datePublished": "2026-09-03T22:38:29.903Z",
        "dateUpdated": "2026-09-14T13:50:51.272Z"
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                "dateUpdated": "2026-09-03T22:38:29.903Z"
            },
            "datePublic": "2026-09-02T00:00:00.000Z",
            "title": "MOOS-IvP through 24.8.1 Out-of-Bounds Write via Unvalidated IvP Payload Counts",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "MOOS-IvP through 24.8.1 contains a buffer overflow vulnerability in StringToIvPFunction() where dimension, piece, and degree counts from encoded BHV_IPF payloads are used as allocation sizes and loop bounds without validation. Attackers can supply crafted payloads with mismatched dimension values to write attacker-controlled doubles past the end of the IvPBox weight array, causing memory corruption and potential code execution."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Integer Overflow or Wraparound",
                            "cweId": "CWE-190",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "moos-ivp",
                    "product": "moos-ivp",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "24.8.1",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
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                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL"
                    }
                },
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                    "cvssV3_1": {
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                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
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                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
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                        "baseSeverity": "CRITICAL"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/moos-ivp/moos-ivp/pull/126",
                    "tags": [
                        "issue-tracking",
                        "patch"
                    ],
                    "name": "Pull Request #126"
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                {
                    "url": "https://github.com/moos-ivp/moos-ivp/commit/85f4653ff792b30c3ab14dc0eac0991d1405d904",
                    "tags": [
                        "patch"
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                    "name": "Proposed fix commit (pull request not merged)"
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                    "url": "https://github.com/moos-ivp/moos-ivp",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/lib_ivpbuild/FunctionEncoder.cpp#L407",
                    "tags": [
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                    ],
                    "name": "FunctionEncoder.cpp (verified sink)"
                },
                {
                    "name": "VulnCheck Advisory: MOOS-IvP through 24.8.1 Out-of-Bounds Write via Unvalidated IvP Payload Counts",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-out-of-bounds-write-via-unvalidated-ivp-payload-counts"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Vlatko Kosturjak",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-85438",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-09-14T13:08:17.831933Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-14T13:50:51.272Z"
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}