{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-85454",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-09-03T19:51:02.691Z",
        "datePublished": "2026-09-03T22:38:41.091Z",
        "dateUpdated": "2026-09-03T22:38:41.091Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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                "dateUpdated": "2026-09-03T22:38:41.091Z"
            },
            "datePublic": "2026-09-01T00:00:00.000Z",
            "title": "MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in Serial Telegram Handling",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-length telegram to trigger the off-by-one write, corrupting the stack and potentially enabling code execution."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Off-by-one Error",
                            "cweId": "CWE-193",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "themoos",
                    "product": "core-moos",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "10.4.0",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "PHYSICAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 5.2,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
                        "attackVector": "PHYSICAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/themoos/core-moos/pull/73",
                    "tags": [
                        "issue-tracking",
                        "patch"
                    ],
                    "name": "Pull Request #73"
                },
                {
                    "url": "https://github.com/themoos/core-moos/commit/befb04df2039d0080715ea35f56268092db4ec0f",
                    "tags": [
                        "patch"
                    ],
                    "name": "Proposed fix commit (pull request not merged)"
                },
                {
                    "url": "https://github.com/themoos/core-moos",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Utils/MOOSSerialPort.cpp#L595",
                    "tags": [
                        "technical-description"
                    ],
                    "name": "MOOSSerialPort.cpp (verified sink)"
                },
                {
                    "name": "VulnCheck Advisory: MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in Serial Telegram Handling",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-off-by-one-buffer-overflow-in-serial-telegram-handling"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Vlatko Kosturjak",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}