{
  "id": "CVE-2023-5171",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2023-09-27T15:19:42.227",
  "lastModified": "2023-10-09T16:15:10.783",
  "vulnStatus": "Undergoing Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3."
    },
    {
      "lang": "es",
      "value": "Durante la compilaci\u00f3n de Ion, una Recolecci\u00f3n de Basura podr\u00eda haber resultado en una condici\u00f3n de use-after-free, lo que permitir\u00eda a un atacante escribir dos bytes NUL y provocar un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox &lt; 118, Firefox ESR &lt; 115.3 y Thunderbird &lt; 115.3."
    }
  ],
  "metrics": {
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-416"
        }
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    }
  ],
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  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1851599",
      "source": "security@mozilla.org",
      "tags": [
        "Issue Tracking",
        "Permissions Required"
      ]
    },
    {
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}