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CVE-2022-26386

Estado: ModificadaMedia (6.5)—

Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Mozilla — Firefox ESRMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-26386",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2022-26386",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-04-15T20:11:42.468056Z"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
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  "published": "2022-12-22T20:15:22.137",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "NVD-CWE-noinfo"
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      "type": "Secondary",
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      "description": [
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          "value": "CWE-377"
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      "lang": "en",
      "value": "Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7."
    },
    {
      "lang": "es",
      "value": "Anteriormente, Firefox para macOS y Linux descargaba archivos temporales a un directorio específico del usuario en <code>/tmp</code>, pero este comportamiento se cambió para descargarlos a <code>/tmp</code> donde podrían verse afectados. por otros usuarios locales. Este comportamiento se revirtió al directorio original específico del usuario. <br>*Este error solo afecta a Firefox para macOS y Linux. Otros sistemas operativos no se ven afectados.*. Esta vulnerabilidad afecta a Firefox ESR &lt; 91,7 y Thunderbird &lt; 91.7."
    }
  ],
  "lastModified": "2026-06-17T04:35:08.003",
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