{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-75874",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-75874",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-18T12:23:35.478Z",
    "updatedAt": "2026-09-01T21:44:07.705Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Sandbox escape in the Remote Settings Client component",
      "summary": "Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.",
      "affected": [
        {
          "vendor": "Mozilla",
          "product": "Firefox",
          "versions": [
            {
              "version": "115.40",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "115.*"
            },
            {
              "version": "140.15",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "140.*"
            },
            {
              "version": "153.2",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "153.*"
            },
            {
              "version": "154",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "*"
            }
          ]
        },
        {
          "vendor": "Mozilla",
          "product": "Thunderbird",
          "versions": [
            {
              "version": "140.15",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "140.*"
            },
            {
              "version": "153.2",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "153.*"
            },
            {
              "version": "154",
              "status": "unaffected",
              "versionType": "rpm",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}