CVE-2021-39859

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An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}, {"lang": "es", "value": "Las versiones 2021.005.20060 (y anteriores), 2020.004.30006 (y anteriores) y 2017.011.30199 (y anteriores) de Acrobat Reader DC est\u00e1n afectadas por una vulnerabilidad de use-after-free que podr\u00eda provocar la divulgaci\u00f3n de memoria sensible. Un atacante podr\u00eda aprovechar esta vulnerabilidad para omitir mitigaciones como ASLR. La explotaci\u00f3n de este problema requiere la interacci\u00f3n del usuario, en el sentido de que una v\u00edctima debe abrir un archivo malicioso."}], "id": "CVE-2021-39859", "lastModified": "2026-06-17T04:04:18.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "psirt@adobe.com", "type": "Secondary"}]}, "published": "2023-09-06T14:15:09.477", "references": [{"source": "psirt@adobe.com", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "psirt@adobe.com", "type": "Secondary"}]}

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