fkie_cve-2021-23954
Vulnerability from fkie_nvd
Published
2021-02-26 03:15
Modified
2024-11-21 05:52
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1684020Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-03/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-04/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-05/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1684020Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-03/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-04/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-05/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *


To clipboard 

{
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      "nodes": [
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              "matchCriteriaId": "403EA47E-6B2D-4082-BFF2-E764C8356854",
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  "descriptions": [
    {
      "lang": "en",
      "value": "Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7."
    },
    {
      "lang": "es",
      "value": "Usando los nuevos operadores de asignaci\u00f3n l\u00f3gica en una declaraci\u00f3n de cambio de JavaScript podr\u00eda haber causado una confusi\u00f3n de tipos, conllevando a una corrupci\u00f3n de la memoria y un bloqueo potencialmente explotable.\u0026#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 85, Thunderbird versiones anteriores a 78,7 y Firefox ESR versiones anteriores a 78,7"
    }
  ],
  "id": "CVE-2021-23954",
  "lastModified": "2024-11-21T05:52:05.773",
  "metrics": {
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          "value": "CWE-843"
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}


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