{"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": "2026-03-24T03:26:11.751Z"}, "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": ["\u200escintilla/oniguruma/src"], "programFiles": ["regcomp.c\u200e"], "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 (\u200escintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C\u200e.\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 (\u200escintilla/oniguruma/src modules).<p> This vulnerability is associated with program files regcomp.C\u200e.</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"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Read vulnerability in rizonesoft Notepad3 (\u200escintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C\u200e.\n\nThis issue affects Notepad3: before 6.25.714.1."}], "id": "CVE-2026-4744", "lastModified": "2026-03-24T04:17:32.880", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NO", "Recovery": "USER", "Safety": "NEGLIGIBLE", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "ATTACKED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "AMBER", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "DIFFUSE", "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:D/RE:L/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "LOW"}, "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}, "published": "2026-03-24T04:17:32.880", "references": [{"source": "cve_disclosure@tech.gov.sg", "url": "https://github.com/rizonesoft/Notepad3/pull/5392"}], "sourceIdentifier": "cve_disclosure@tech.gov.sg", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}

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