{
  "id": "CVE-2021-28878",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-04-11T20:15:12.813",
  "lastModified": "2024-11-21T06:00:21.513",
  "vulnStatus": "Modified",
  "cveTags": [],
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      "lang": "en",
      "value": "In the standard library in Rust before 1.52.0, the Zip implementation calls __iterator_get_unchecked() more than once for the same index (under certain conditions) when next_back() and next() are used together. This bug could lead to a memory safety violation due to an unmet safety requirement for the TrustedRandomAccess trait."
    },
    {
      "lang": "es",
      "value": "En la biblioteca est\u00e1ndar en Rust versiones anteriores a 1.52.0, la implementaci\u00f3n de Zip llama a la funci\u00f3n __iterator_get_unchecked() m\u00e1s de una vez para el mismo \u00edndice (bajo determinadas condiciones) cuando las funciones next_back() y next() son usadas juntas. Este bug podr\u00eda conllevar a una violaci\u00f3n de seguridad de la memoria debido a un requisito de seguridad no cumplido para el rasgo TrustedRandomAccess"
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