{
  "fix": "libjavascriptcoregtk-4.0-bin 2.26.1-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.26.1-0ubuntu0.18.04.1",
  "summary": "libjavascriptcoregtk-4.0-bin 2.26.1-0ubuntu0.18.04.1, released September 8, 2021, fixes 20 CVEs in libjavascriptcoregtk-4.0-bin. 3 of them are being exploited (CVE-2021-30761); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libjavascriptcoregtk-4.0-bin 2.26.1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2021-09-08T08:15:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-30761, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 20,
  "exploitedCveCount": 3,
  "kevCveCount": 3,
  "ransomwareCveCount": 0,
  "maxEpss": 0.10545,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "libjavascriptcoregtk-4.0-bin",
      "productUrl": "https://patchblox.com/security/product/linux/libjavascriptcoregtk-4.0-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.26.1-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-30761",
      "url": "https://patchblox.com/security/cve/CVE-2021-30761",
      "title": "gir1.2-javascriptcoregtk-4.0: A memory corruption issue was addressed with improved state management",
      "priority": "Patch now",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.10545,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30666",
      "url": "https://patchblox.com/security/cve/CVE-2021-30666",
      "title": "gir1.2-javascriptcoregtk-4.0: A buffer overflow issue was addressed with improved memory handling",
      "priority": "Patch now",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.02966,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8720",
      "url": "https://patchblox.com/security/cve/CVE-2019-8720",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "Patch now",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.01556,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8820",
      "url": "https://patchblox.com/security/cve/CVE-2019-8820",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.09621,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8816",
      "url": "https://patchblox.com/security/cve/CVE-2019-8816",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.02583,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8815",
      "url": "https://patchblox.com/security/cve/CVE-2019-8815",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.02291,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8811",
      "url": "https://patchblox.com/security/cve/CVE-2019-8811",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.01997,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8783",
      "url": "https://patchblox.com/security/cve/CVE-2019-8783",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.01952,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8819",
      "url": "https://patchblox.com/security/cve/CVE-2019-8819",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8823",
      "url": "https://patchblox.com/security/cve/CVE-2019-8823",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8782",
      "url": "https://patchblox.com/security/cve/CVE-2019-8782",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0186,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8808",
      "url": "https://patchblox.com/security/cve/CVE-2019-8808",
      "title": "iTunes: Multiple memory corruption issues were addressed with improved memory handling.",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0186,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8766",
      "url": "https://patchblox.com/security/cve/CVE-2019-8766",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8710",
      "url": "https://patchblox.com/security/cve/CVE-2019-8710",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.01558,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8743",
      "url": "https://patchblox.com/security/cve/CVE-2019-8743",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.01496,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8813",
      "url": "https://patchblox.com/security/cve/CVE-2019-8813",
      "title": "iTunes: A logic issue was addressed with improved state management.",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.1,
      "epss": 0.0132,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8625",
      "url": "https://patchblox.com/security/cve/CVE-2019-8625",
      "title": "iTunes: A logic issue was addressed with improved state management.",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.1,
      "epss": 0.0122,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8769",
      "url": "https://patchblox.com/security/cve/CVE-2019-8769",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 4.3,
      "epss": 0.01192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8771",
      "url": "https://patchblox.com/security/cve/CVE-2019-8771",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.1,
      "epss": 0.00995,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-8764",
      "url": "https://patchblox.com/security/cve/CVE-2019-8764",
      "title": "dleyna-renderer: ELSA-2020-4451: GNOME security, bug fix, and enhancement update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.1,
      "epss": 0.00974,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T07:53:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}