{
  "cveId": "CVE-2023-6873",
  "url": "https://patchblox.com/security/cve/CVE-2023-6873",
  "summary": "CVE-2023-6873 is fixed in 106 products on 2 platforms, first by DEBIAN-CVE-2023-6873, released December 19, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 120.",
  "description": "Memory safety bugs present in Firefox 120. 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 121.",
  "published": "2023-12-19T14:15:08Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00853,
  "epssPercentile": 0.58498,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-6873",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "121.0",
      "fix": "Mozilla Firefox (en-US) 121.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-121.0",
      "released": "2023-12-20T00:00:00Z"
    },
    {
      "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)",
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  "attribution": {
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    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}