{
  "id": "CVE-2021-29964",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2021-06-24T14:15:10.333",
  "lastModified": "2021-06-30T20:56:41.443",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11."
    },
    {
      "lang": "es",
      "value": "Un programa hostil instalado localmente podr\u00eda enviar mensajes \"WM_COPYDATA\" que Firefox procesar\u00eda incorrectamente, conllevando una lectura fuera de l\u00edmites. *Este bug s\u00f3lo afecta a Firefox en Windows. Otros sistemas operativos no est\u00e1n afectados. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.11, Firefox versiones anteriores a 89 y Firefox ESR versiones anteriores a 78.11"
    }
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          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
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      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1706501",
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