{
  "cveId": "CVE-2022-1529",
  "url": "https://patchblox.com/security/cve/CVE-2022-1529",
  "summary": "CVE-2022-1529 is fixed in 10 products on 1 platform, first by DSA-5143-1, released May 22, 2022. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis...",
  "description": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis update upgrades Firefox to version 91.9.1 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529)\n\n* Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2022-05-22T00:00:00Z",
  "severity": "Critical",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.17608,
  "epssPercentile": 0.97165,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:91.9.1-1.el8_6",
      "fix": "RHSA-2022:4776",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-4776",
      "released": "2022-05-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 9",
      "fixedVersion": "0:91.9.1-1.el9_0",
      "fix": "RHSA-2022:4765",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-4765",
      "released": "2022-05-27T00:00:00Z"
    },
    {
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "100.0.2\u002Bbuild1-0ubuntu0.18.04.1",
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      "released": "2022-05-22T17:00:00Z"
    },
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      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "100.0.2\u002Bbuild1-0ubuntu0.20.04.1",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-100.0.2-build1-0ubuntu0.20.04.1",
      "released": "2022-05-22T17:00:00Z"
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      "release": "almalinux 8",
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      "fix": "ALSA-2022:4776",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-4776",
      "released": "2022-05-27T18:28:08Z"
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      "fix": "ELSA-2022-4776",
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      "released": "2022-05-30T00:00:00Z"
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      "released": "2022-06-30T00:00:00Z"
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    {
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      "release": "rocky 8",
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      "fix": "RLSA-2022:4776",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-4776",
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  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}