{
  "fix": "RHSA-2023:7508",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7508",
  "summary": "RHSA-2023:7508, released November 27, 2023, fixes 7 CVEs in firefox (version 0:115.5.0-1.el8_9). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "firefox security update",
  "released": "2023-11-27T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-6212, high severity",
  "supported": true,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01418,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2023:7508",
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:115.5.0-1.el8_9",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-6212",
      "url": "https://patchblox.com/security/cve/CVE-2023-6212",
      "title": "Mozilla Firefox ESR and 5 others: Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4.",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00947,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6207",
      "url": "https://patchblox.com/security/cve/CVE-2023-6207",
      "title": "Mozilla Firefox ESR and 5 others: Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox\u2026",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00906,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6208",
      "url": "https://patchblox.com/security/cve/CVE-2023-6208",
      "title": "Mozilla Firefox ESR and 5 others: When using X11, text selected by the page using the Selection API was erroneously copied into the primary\u2026",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00888,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6205",
      "url": "https://patchblox.com/security/cve/CVE-2023-6205",
      "title": "Mozilla Firefox ESR and 5 others: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially\u2026",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00874,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6204",
      "url": "https://patchblox.com/security/cve/CVE-2023-6204",
      "title": "Mozilla Firefox ESR and 5 others: On some systems\u2014depending on the graphics settings and drivers\u2014it was possible to force an out-of-bounds\u2026",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6206",
      "url": "https://patchblox.com/security/cve/CVE-2023-6206",
      "title": "Mozilla Firefox ESR and 5 others: The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay\u2026",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00642,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6209",
      "url": "https://patchblox.com/security/cve/CVE-2023-6209",
      "title": "Mozilla Firefox ESR and 5 others: Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal \u0022/../\u0022 part in\u2026",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.01418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}