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CVE-2026-4723 Use-after-free in the JavaScript Engine component

🗓️ 24 Mar 2026 12:30:31Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

CVE-2026-4723: Use-after-free in the JavaScript Engine component affecting Firefox before 149.

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Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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