{
  "cveId": "CVE-2023-28177",
  "url": "https://patchblox.com/security/cve/CVE-2023-28177",
  "summary": "CVE-2023-28177 is fixed in 5 products on 2 platforms, first by firefox 111.0\u002Bbuild2-0ubuntu0.18.04.1, released March 14, 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 110. 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 111.",
  "published": "2023-03-14T17:00:00Z",
  "severity": "Medium",
  "cvss": 8.8,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.00545,
  "epssPercentile": 0.45971,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-28177",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "111.0",
      "fix": "Mozilla Firefox (en-US) 111.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-111.0",
      "released": "2023-03-16T00:00:00Z"
    },
    {
      "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": "111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox 111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-111.0-build2-0ubuntu0.18.04.1",
      "released": "2023-03-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox 111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-111.0-build2-0ubuntu0.20.04.1",
      "released": "2023-03-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-111.0-build2-0ubuntu0.18.04.1",
      "released": "2023-03-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-111.0-build2-0ubuntu0.20.04.1",
      "released": "2023-03-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 111.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-111.0-build2-0ubuntu0.18.04.1",
      "released": "2023-03-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 111.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-111.0-build2-0ubuntu0.20.04.1",
      "released": "2023-03-14T17:00:00Z"
    }
  ],
  "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"
  }
}