{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-4744",
        "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd",
        "state": "PUBLISHED",
        "assignerShortName": "GovTech CSG",
        "dateReserved": "2026-03-24T03:25:50.464Z",
        "datePublished": "2026-03-24T03:26:11.751Z",
        "dateUpdated": "2026-03-24T14:32:51.908Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd",
                "shortName": "GovTech CSG",
                "dateUpdated": "2026-03-24T03:26:11.751Z"
            },
            "title": "Notepad3 Bundled Oniguruma compile_string_node() Heap Buffer Overflow via Crafted Regex Pattern Allows Arbitrary Code Execution",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-125",
                            "description": "CWE-125 Out-of-bounds Read",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "rizonesoft",
                    "product": "Notepad3",
                    "collectionURL": "https://github.com/rizonesoft/Notepad3",
                    "modules": [
                        "‎scintilla/oniguruma/src"
                    ],
                    "programFiles": [
                        "regcomp.c‎"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "6.25.714.1",
                            "versionType": "git"
                        }
                    ],
                    "defaultStatus": "affected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Out-of-bounds Read vulnerability in rizonesoft Notepad3 (‎scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C‎.\n\nThis issue affects Notepad3: before 6.25.714.1.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Out-of-bounds Read vulnerability in rizonesoft Notepad3 (‎scintilla/oniguruma/src modules).<p> This vulnerability is associated with program files regcomp.C‎.</p><p>This issue affects Notepad3: before 6.25.714.1.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/rizonesoft/Notepad3/pull/5392",
                    "tags": [
                        "patch"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "ACTIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "HIGH",
                        "exploitMaturity": "ATTACKED",
                        "Safety": "NEGLIGIBLE",
                        "Automatable": "NO",
                        "Recovery": "USER",
                        "valueDensity": "DIFFUSE",
                        "vulnerabilityResponseEffort": "LOW",
                        "providerUrgency": "AMBER",
                        "version": "4.0",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.3,
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:N/AU:N/R:U/V:D/RE:L/U:Amber"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "TITAN Team (titancaproject@gmail.com)",
                    "type": "reporter"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-24T14:32:43.936281Z",
                                "id": "CVE-2026-4744",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-24T14:32:51.908Z"
                }
            }
        ]
    }
}