"buffer overrun" meaning in English

{
  "forms": [
    {
      "form": "buffer overruns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "buffer overrun (plural buffer overruns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer security",
          "orig": "en:Computer security",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002, David LeBlanc, Michael Howard, Writing Secure Code, Pearson Education, page 133",
          "text": "Except in a few trivial cases, it generally isn't possible to prove that a buffer overrun isn't exploitable.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of buffer overflow"
      ],
      "id": "en-buffer_overrun-en-noun-~rStAgjx",
      "links": [
        [
          "computer security",
          "computer security"
        ],
        [
          "buffer overflow",
          "buffer overflow#English"
        ]
      ],
      "qualifier": "computer security",
      "raw_glosses": [
        "(computer security) Synonym of buffer overflow"
      ],
      "related": [
        {
          "word": "buffer underrun"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "buffer overflow"
        }
      ]
    }
  ],
  "word": "buffer overrun"
}

{
  "forms": [
    {
      "form": "buffer overruns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "buffer overrun (plural buffer overruns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "buffer underrun"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "English terms with quotations",
        "en:Computer security"
      ],
      "examples": [
        {
          "ref": "2002, David LeBlanc, Michael Howard, Writing Secure Code, Pearson Education, page 133",
          "text": "Except in a few trivial cases, it generally isn't possible to prove that a buffer overrun isn't exploitable.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of buffer overflow"
      ],
      "links": [
        [
          "computer security",
          "computer security"
        ],
        [
          "buffer overflow",
          "buffer overflow#English"
        ]
      ],
      "qualifier": "computer security",
      "raw_glosses": [
        "(computer security) Synonym of buffer overflow"
      ],
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          "word": "buffer overflow"
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  "word": "buffer overrun"
}