{
  "cveId": "CVE-2023-23606",
  "url": "https://patchblox.com/security/cve/CVE-2023-23606",
  "summary": "CVE-2023-23606 is fixed in 5 products on 2 platforms, first by Mozilla Firefox (en-US) 109.0, released January 17, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Memory safety bugs fixed in Firefox 109",
  "description": "Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108. 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 109.",
  "published": "2023-01-17T16:00:00Z",
  "severity": "Medium",
  "cvss": 8.8,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.00521,
  "epssPercentile": 0.44531,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-23606",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "109.0",
      "fix": "Mozilla Firefox (en-US) 109.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-109.0",
      "released": "2023-01-17T00:00:00Z"
    },
    {
      "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 18.04.6 LTS (bionic)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox 109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-109.0-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox 109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-109.0-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-109.0-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-109.0-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 109.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-109.0-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 109.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-109.0-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}