{
  "cveId": "CVE-2023-34415",
  "url": "https://patchblox.com/security/cve/CVE-2023-34415",
  "summary": "CVE-2023-34415 is fixed in 5 products on 2 platforms, first by firefox 114.0\u002Bbuild3-0ubuntu0.20.04.1, released June 6, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Mozilla Firefox and 2 others: When choosing a site-isolated process for a document loaded from a data: URL that was the result of a\u2026",
  "description": "When choosing a site-isolated process for a document loaded from a data: URL that was the result of a redirect, Firefox would load that document in the same process as the site that issued the redirect. This bypassed the site-isolation protections against Spectre-like attacks on sites that host an \u0022open redirect\u0022. Firefox no longer follows HTTP redirects to data: URLs. This vulnerability affects Firefox \u003C 114.",
  "published": "2023-06-06T17:00:00Z",
  "severity": "Medium",
  "cvss": 6.1,
  "epss": 0.00413,
  "epssPercentile": 0.35813,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-34415",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "114.0.1",
      "fix": "Mozilla Firefox (en-US) 114.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-114.0.1",
      "released": "2023-06-12T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "115.4.0",
      "fix": "Mozilla Firefox ESR (en-US) 115.4.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-115.4.0",
      "released": "2023-10-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox 114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-114.0-build3-0ubuntu0.20.04.1",
      "released": "2023-06-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-114.0-build3-0ubuntu0.20.04.1",
      "released": "2023-06-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 114.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-114.0-build3-0ubuntu0.20.04.1",
      "released": "2023-06-06T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}