{
  "cveId": "CVE-2023-4366",
  "url": "https://patchblox.com/security/cve/CVE-2023-4366",
  "summary": "CVE-2023-4366 is fixed in 4 products on 2 platforms, first by DEBIAN-CVE-2023-4366, released August 15, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Chromium: CVE-2023-4366 Use after free in Extensions",
  "description": "\u003Cp\u003EThis CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see \u003Ca href=\u0022https://chromereleases.googleblog.com/2023\u0022\u003EGoogle Chrome Releases\u003C/a\u003E for more information.\u003C/p\u003E",
  "published": "2023-08-15T18:15:13Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00669,
  "epssPercentile": 0.52191,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4366",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Microsoft Edge",
      "fixedVersion": "116.0.1938.54",
      "fix": "Microsoft Edge 116.0.1938.54",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-116.0.1938.54",
      "released": "2023-08-21T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Beta",
      "fixedVersion": "127.0.2651.8",
      "fix": "Microsoft Edge Beta 127.0.2651.8",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.beta-127.0.2651.8",
      "released": "2024-06-21T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Dev",
      "fixedVersion": "127.0.2651.8",
      "fix": "Microsoft Edge Dev 127.0.2651.8",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-127.0.2651.8",
      "released": "2024-06-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "116.0.5845.96-1~deb12u1",
      "fix": "DEBIAN-CVE-2023-4366",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-4366",
      "released": "2023-08-15T18:15:13Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "116.0.5845.96-1",
      "fix": "DEBIAN-CVE-2023-4366",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-4366",
      "released": "2023-08-15T18:15:13Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 14",
      "fixedVersion": "116.0.5845.96-1",
      "fix": "DEBIAN-CVE-2023-4366",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-4366",
      "released": "2023-08-15T18:15:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}