{
  "fix": "SUSE-SU-2026:3658-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3658-1",
  "summary": "SUSE-SU-2026:3658-1, released August 20, 2026, fixes 4 CVEs in MozillaFirefox (version 140.14.0-150200.152.251.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "MozillaFirefox security update",
  "released": "2026-08-20T17:16:18Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-74989, rated Critical",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0057,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:3658-1",
  "appliesTo": [
    {
      "product": "MozillaFirefox",
      "productUrl": "https://patchblox.com/security/product/linux/mozillafirefox",
      "release": "sles 15.6",
      "fixedVersion": "140.14.0-150200.152.251.1",
      "supported": true
    },
    {
      "product": "MozillaFirefox",
      "productUrl": "https://patchblox.com/security/product/linux/mozillafirefox",
      "release": "sles 15.7",
      "fixedVersion": "140.14.0-150200.152.251.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-74989",
      "url": "https://patchblox.com/security/cve/CVE-2026-74989",
      "title": "Internally found bugs fixed in Thunderbird 154",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.0057,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74951",
      "url": "https://patchblox.com/security/cve/CVE-2026-74951",
      "title": "MozillaFirefox: This update for MozillaFirefox fixes the following issues:\n\nUpdate to Firefox Extended Support Release 140.14.0 ESR....",
      "priority": "Routine",
      "epss": 0.00275,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74980",
      "url": "https://patchblox.com/security/cve/CVE-2026-74980",
      "title": "MozillaFirefox: This update for MozillaFirefox fixes the following issues:\n\nUpdate to Firefox Extended Support Release 140.14.0 ESR....",
      "priority": "Routine",
      "epss": 0.00275,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74975",
      "url": "https://patchblox.com/security/cve/CVE-2026-74975",
      "title": "MozillaFirefox: This update for MozillaFirefox fixes the following issues:\n\nUpdate to Firefox Extended Support Release 140.14.0 ESR....",
      "priority": "Routine",
      "epss": 0.00246,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}