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This could be plausibly exploited for remote code execution on the client."},{"lang":"es","value":"Se ha encontrado un fallo en mbsync versiones anteriores a v1.3.6 y v1.4.2, en el que un reparto de punteros no comprobado permite a un servidor malicioso o comprometido escribir un valor entero arbitrario más allá del final de una estructura asignada a la pila emitiendo una respuesta APPENDUID no esperada. Esto podría ser explotado de forma plausible para una ejecución de código remota en el cliente"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-704"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-704"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:isync_project:isync:*:*:*:*:*:*:*:*","versionEndExcluding":"1.3.6","matchCriteriaId":"879A38BB-6BBD-4FD8-8056-03E94844ADA7"},{"vulnerable":true,"criteria":"cpe:2.3:a:isync_project:isync:1.4.0:*:*:*:*:*:*:*","matchCriteriaId":"1A8DCCA0-9961-48EF-9877-DEA57BBACABA"},{"vulnerable":true,"criteria":"cpe:2.3:a:isync_project:isync:1.4.1:*:*:*:*:*:*:*","matchCriteriaId":"6FA631E2-E61B-42CD-838C-2BA643FEE801"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"}]}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/06/07/1","source":"secalert@redhat.com","tags":["Mailing 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