nvd-json-data-feeds/CVE-2023/CVE-2023-48xx/CVE-2023-4806.json

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  "id": "CVE-2023-4806",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2023-09-18T17:15:55.813",
  "lastModified": "2024-11-21T08:36:00.433",
  "vulnStatus": "Modified",
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      "value": "A flaw was found in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r and _nss_*_getcanonname_r hooks without implementing the _nss_*_gethostbyname3_r hook. The resolved name should return a large number of IPv6 and IPv4, and the call to the getaddrinfo function should have the AF_INET6 address family with AI_CANONNAME, AI_ALL and AI_V4MAPPED as flags."
    },
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      "lang": "es",
      "value": "Se encontr\u00f3 una falla en glibc. En una situaci\u00f3n extremadamente rara, la funci\u00f3n getaddrinfo puede acceder a la memoria que se ha liberado, lo que provoca un bloqueo de la aplicaci\u00f3n. Este problema solo se puede explotar cuando un m\u00f3dulo NSS implementa solo los hooks _nss_*_gethostbyname2_r y _nss_*_getcanonname_r sin implementar el hook _nss_*_gethostbyname3_r. El nombre resuelto debe devolver una gran cantidad de direcciones IPv6 e IPv4, y la llamada a la funci\u00f3n getaddrinfo debe tener la familia de direcciones AF_INET6 con AI_CANONNAME, AI_ALL y AI_V4MAPPED como indicadores."
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          "privilegesRequired": "NONE",
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