{
  "cveId": "CVE-2023-5731",
  "url": "https://patchblox.com/security/cve/CVE-2023-5731",
  "summary": "CVE-2023-5731 is fixed in 105 products on 2 platforms, first by Mozilla Firefox (en-US) 119.0, released October 24, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 118.",
  "description": "Memory safety bugs present in Firefox 118. 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 119.",
  "published": "2023-10-24T17:00:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "epss": 0.01145,
  "epssPercentile": 0.66921,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-5731",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "119.0",
      "fix": "Mozilla Firefox (en-US) 119.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-119.0",
      "released": "2023-10-24T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ach)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ach) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ach-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (af)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (af) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.af-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (an)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (an) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.an-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ar)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ar) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ar-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ast)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ast) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ast-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (az)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (az) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.az-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (be)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (be) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.be-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bg)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (bg) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bg-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bn)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (bn) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bn-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (br)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (br) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.br-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bs)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (bs) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bs-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ca)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ca) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ca-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ca-valencia)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ca-valencia) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ca-valencia-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (cak)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (cak) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cak-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (cs)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (cs) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cs-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (cy)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (cy) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cy-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (da)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (da) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.da-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (de)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (de) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.de-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (dsb)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (dsb) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.dsb-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (el)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (el) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.el-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-CA)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (en-CA) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.en-ca-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-GB)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (en-GB) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.en-gb-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (en-US) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (eo)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (eo) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.eo-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (es-AR)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (es-AR) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.es-ar-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (es-CL)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (es-CL) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.es-cl-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (es-ES)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (es-ES) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.es-es-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (es-MX)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (es-MX) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.es-mx-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (et)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (et) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.et-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (eu)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (eu) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.eu-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (fa)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (fa) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.fa-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ff)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ff) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ff-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (fi)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (fi) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.fi-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (fr)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (fr) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.fr-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (fur)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (fur) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.fur-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (fy-NL)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (fy-NL) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.fy-nl-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ga-IE)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ga-IE) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ga-ie-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (gd)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (gd) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.gd-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (gl)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (gl) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.gl-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (gn)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (gn) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.gn-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (gu-IN)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (gu-IN) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.gu-in-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (he)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (he) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.he-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (hi-IN)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (hi-IN) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.hi-in-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (hr)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (hr) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.hr-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (hsb)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (hsb) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.hsb-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (hu)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (hu) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.hu-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (hy-AM)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (hy-AM) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.hy-am-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ia)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ia) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ia-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (id)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (id) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.id-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (is)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (is) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.is-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (it)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (it) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.it-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ja)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ja) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ja-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ka)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ka) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ka-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (kab)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (kab) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.kab-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (kk)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (kk) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.kk-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (km)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (km) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.km-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (kn)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (kn) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.kn-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ko)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (ko) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ko-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (lij)",
      "fixedVersion": "128.3.0",
      "fix": "Mozilla Firefox ESR (lij) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lij-128.3.0",
      "released": "2024-10-01T00:00:00Z"
    },
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  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}