FKIE_CVE-2019-11692

Vulnerability from fkie_nvd - Published: 2019-07-23 14:15 - Updated: 2025-11-25 17:50
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1544670Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1544670Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox *
mozilla thunderbird *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FAA97805-B287-4754-A467-594E9B1CC126",
              "versionEndExcluding": "60.7.0",
              "vulnerable": true
            },
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              "matchCriteriaId": "83DEE955-3E09-489F-BE40-2FD33EACF436",
              "versionEndExcluding": "67.0",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 60.7, Firefox \u003c 67, and Firefox ESR \u003c 60.7."
    },
    {
      "lang": "es",
      "value": "Se puede producir una vulnerabilidad de uso despu\u00e9s de la liberaci\u00f3n cuando los escuchas se eliminan del administrador de escuchas de eventos mientras a\u00fan est\u00e1n en uso, lo que resulta en un fallo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird anterior a 60.7, Firefox anterior a 67 y Firefox ESR anterior a 60.7"
    }
  ],
  "id": "CVE-2019-11692",
  "lastModified": "2025-11-25T17:50:16.803",
  "metrics": {
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        "baseSeverity": "HIGH",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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        "obtainOtherPrivilege": false,
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "attackVector": "NETWORK",
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2019-07-23T14:15:13.983",
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  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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