CVE-2026-13574

{"id": "CVE-2026-13574", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cna@vuldb.com"}], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13574", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-01T14:03:05.481009Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 1.7, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "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": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 1.9, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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"}}]}, "affected": [{"source": "cna@vuldb.com", "affectedData": [{"cpes": ["cpe:2.3:a:llvm:llvm-project:*:*:*:*:*:*:*:*"], "vendor": "llvm", "modules": ["Bitcode File Handler"], "product": "llvm-project", "versions": [{"status": "affected", "version": "22.1.0"}, {"status": "affected", "version": "22.1.1"}, {"status": "affected", "version": "22.1.2"}, {"status": "affected", "version": "22.1.3"}, {"status": "affected", "version": "22.1.4"}, {"status": "affected", "version": "22.1.5"}, {"status": "affected", "version": "22.1.6"}]}]}], "published": "2026-06-29T15:16:38.857", "references": [{"url": "https://github.com/llvm/llvm-project/", "source": "cna@vuldb.com"}, {"url": "https://github.com/llvm/llvm-project/issues/199191", "source": "cna@vuldb.com"}, {"url": "https://github.com/user-attachments/files/28142619/poc.zip", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-13574", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/844468", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/374582", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/374582/cti", "source": "cna@vuldb.com"}, {"url": "https://github.com/llvm/llvm-project/issues/199191", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. There are still doubts about whether this vulnerability truly exists. The LLVM project explains, that the reported behavior is outside its documented security scope and therefore not considered a security vulnerability."}, {"lang": "es", "value": "Se determin\u00f3 una vulnerabilidad en llvm llvm-project hasta 22.1.6. Esto afecta a la funci\u00f3n GCRelocateInst::getBasePtr en la biblioteca llvm/lib/IR/IntrinsicInst.cpp del componente Gestor de Archivos Bitcode. Esta manipulaci\u00f3n causa desbordamiento de b\u00fafer basado en mont\u00edculo. Es posible lanzar el ataque en el host local. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El proyecto fue informado del problema tempranamente a trav\u00e9s de un informe de problema, pero a\u00fan no ha respondido."}], "lastModified": "2026-10-25T21:10:00.770", "sourceIdentifier": "cna@vuldb.com"}