CVE-2026-2016

{"id": "CVE-2026-2016", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "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/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:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-06T12:16:26.073", "references": [{"url": "https://github.com/happyfish100/libfastcommon/", "tags": ["Product"], "source": "cna@vuldb.com"}, {"url": "https://github.com/happyfish100/libfastcommon/commit/82f66af3e252e3e137dba0c3891570f085e79adf", "tags": ["Patch"], "source": "cna@vuldb.com"}, {"url": "https://github.com/happyfish100/libfastcommon/issues/55", "tags": ["Exploit", "Vendor Advisory"], "source": "cna@vuldb.com"}, {"url": "https://github.com/happyfish100/libfastcommon/issues/55#issue-3836362577", "tags": ["Exploit", "Vendor Advisory"], "source": "cna@vuldb.com"}, {"url": "https://github.com/happyfish100/libfastcommon/issues/55#issuecomment-3776757848", "tags": ["Exploit", "Vendor Advisory"], "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?ctiid.344598", "tags": ["Permissions Required", "VDB Entry"], "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?id.344598", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?submit.743873", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cna@vuldb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in happyfish100 libfastcommon up to 1.0.84. Affected by this vulnerability is the function base64_decode of the file src/base64.c. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The identifier of the patch is 82f66af3e252e3e137dba0c3891570f085e79adf. Applying a patch is the recommended action to fix this issue."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de seguridad en happyfish100 libfastcommon hasta la versi\u00f3n 1.0.84. Afectada por esta vulnerabilidad es la funci\u00f3n base64_decode del archivo src/base64.c. La manipulaci\u00f3n conduce a un desbordamiento de b\u00fafer basado en pila. Se requiere acceso local para abordar este ataque. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El identificador del parche es 82f66af3e252e3e137dba0c3891570f085e79adf. Aplicar un parche es la acci\u00f3n recomendada para solucionar este problema."}], "lastModified": "2026-02-17T19:11:30.800", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:happyfish100:libfastcommon:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C75F73CF-18BB-4FE5-9440-693DD0E92FFF", "versionEndIncluding": "1.0.84"}], "operator": "OR"}]}], "sourceIdentifier": "cna@vuldb.com"}