{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-9541",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-05-26T05:51:28.774Z",
        "datePublished": "2026-05-26T11:45:10.180Z",
        "dateUpdated": "2026-05-26T15:18:15.140Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-05-26T11:45:10.180Z"
            },
            "title": "Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-122",
                            "lang": "en",
                            "description": "Heap-based Buffer Overflow"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-119",
                            "lang": "en",
                            "description": "Memory Corruption"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "Squirrel",
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "affected"
                        },
                        {
                            "version": "3.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:squirrel:squirrel:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Cnut File Handler"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 4.8,
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_0": {
                        "version": "3.0",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 4.3,
                        "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"
                    }
                }
            ],
            "timeline": [
                {
                    "time": "2026-05-26T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-05-26T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-05-26T07:56:41.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "biniam (VulDB User)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "VulDB CNA Team",
                    "type": "coordinator"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/365602",
                    "name": "VDB-365602 | Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
                    ]
                },
                {
                    "url": "https://vuldb.com/vuln/365602/cti",
                    "name": "VDB-365602 | CTI Indicators (IOB, IOC, IOA)",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/814826",
                    "name": "Submit #814826 | albertodemichelis squirrel 3.2 Heap-based Buffer Overflow",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/albertodemichelis/squirrel/issues/327",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-neg-len-oob",
                    "tags": [
                        "exploit"
                    ]
                }
            ]
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/albertodemichelis/squirrel/issues/327",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-26T15:17:48.786589Z",
                                "id": "CVE-2026-9541",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-05-26T15:18:15.140Z"
                }
            }
        ]
    }
}