{
  "cveId": "CVE-2023-34417",
  "url": "https://patchblox.com/security/cve/CVE-2023-34417",
  "summary": "CVE-2023-34417 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: High.",
  "title": "Mozilla Firefox and 2 others: Out-of-bounds Write",
  "description": "Memory safety bugs present in Firefox 113. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003C 114.",
  "published": "2023-06-06T17:00:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.0078,
  "epssPercentile": 0.5618,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-34417",
  "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"
  }
}