{
  "fix": "thunderbird 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-68.7.0-build1-0ubuntu0.18.04.1",
  "summary": "thunderbird 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1, released April 6, 2020, fixes 18 CVEs in thunderbird. 2 of them are being exploited (CVE-2020-6820); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "thunderbird 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2020-04-06T17:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2020-6820, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 18,
  "exploitedCveCount": 2,
  "kevCveCount": 2,
  "ransomwareCveCount": 0,
  "maxEpss": 0.07063,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-6820",
      "url": "https://patchblox.com/security/cve/CVE-2020-6820",
      "title": "Mozilla Firefox And Thunderbird Use-After-Free Vulnerability",
      "priority": "Patch now",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.07063,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6819",
      "url": "https://patchblox.com/security/cve/CVE-2020-6819",
      "title": "Mozilla Firefox And Thunderbird Use-After-Free Vulnerability",
      "priority": "Patch now",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.03039,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6811",
      "url": "https://patchblox.com/security/cve/CVE-2020-6811",
      "title": "Firefox ESR: The \u0027Copy as cURL\u0027 feature of Devtools\u0027 network tab did not properly escape the HTTP method of a request,\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.03271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6806",
      "url": "https://patchblox.com/security/cve/CVE-2020-6806",
      "title": "Firefox ESR: By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.02607,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6800",
      "url": "https://patchblox.com/security/cve/CVE-2020-6800",
      "title": "Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.02263,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6825",
      "url": "https://patchblox.com/security/cve/CVE-2020-6825",
      "title": "Firefox ESR: Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 9.8,
      "epss": 0.02188,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6814",
      "url": "https://patchblox.com/security/cve/CVE-2020-6814",
      "title": "Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5.",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 9.8,
      "epss": 0.01869,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6821",
      "url": "https://patchblox.com/security/cve/CVE-2020-6821",
      "title": "Firefox ESR: When reading from areas partially or fully outside the source resource with WebGL\u0027s \u003Ccode\u003EcopyTexSubImage\u003C/code\u003E\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.01505,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6805",
      "url": "https://patchblox.com/security/cve/CVE-2020-6805",
      "title": "Firefox ESR: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01486,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6807",
      "url": "https://patchblox.com/security/cve/CVE-2020-6807",
      "title": "Firefox ESR: When a device was changed while a stream was about to be destroyed, the \u003Ccode\u003Estream-reinit\u003C/code\u003E task\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01474,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6822",
      "url": "https://patchblox.com/security/cve/CVE-2020-6822",
      "title": "Firefox ESR: On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01325,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20503",
      "url": "https://patchblox.com/security/cve/CVE-2019-20503",
      "title": "xul-ext-lightning: usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.03141,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6798",
      "url": "https://patchblox.com/security/cve/CVE-2020-6798",
      "title": "Firefox ESR: If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing\u2026",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.02046,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6812",
      "url": "https://patchblox.com/security/cve/CVE-2020-6812",
      "title": "Firefox ESR: The first time AirPods are connected to an iPhone, they become named after the user\u0027s name by default\u2026",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.01601,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6793",
      "url": "https://patchblox.com/security/cve/CVE-2020-6793",
      "title": "thunderbird: ELSA-2020-0577: thunderbird security update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01511,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6792",
      "url": "https://patchblox.com/security/cve/CVE-2020-6792",
      "title": "thunderbird: ELSA-2020-0577: thunderbird security update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 4.3,
      "epss": 0.01332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6795",
      "url": "https://patchblox.com/security/cve/CVE-2020-6795",
      "title": "thunderbird: ELSA-2020-0577: thunderbird security update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01305,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-6794",
      "url": "https://patchblox.com/security/cve/CVE-2020-6794",
      "title": "thunderbird: ELSA-2020-0577: thunderbird security update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}