{
  "cveId": "CVE-2022-40958",
  "url": "https://patchblox.com/security/cve/CVE-2022-40958",
  "summary": "CVE-2022-40958 is fixed in 13 products on 2 platforms, first by Mozilla Thunderbird (en-US) 102.3.0, released September 14, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Thunderbird and 4 others: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
  "description": "By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR \u003C 102.3, Thunderbird \u003C 102.3, and Firefox \u003C 105.",
  "published": "2022-09-26T00:00:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cwe": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
  "epss": 0.01177,
  "epssPercentile": 0.67786,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-40958",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "105.0",
      "fix": "Mozilla Firefox (en-US) 105.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-105.0",
      "released": "2022-09-21T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "115.4.0",
      "fix": "Mozilla Firefox ESR (en-US) 115.4.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-115.4.0",
      "released": "2023-10-17T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Thunderbird (en-US)",
      "fixedVersion": "102.3.0",
      "fix": "Mozilla Thunderbird (en-US) 102.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-102.3.0",
      "released": "2022-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:102.3.0-6.el8_6",
      "fix": "RHSA-2022:6702",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-6702",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 9",
      "fixedVersion": "0:102.3.0-6.el9_0",
      "fix": "RHSA-2022:6700",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-6700",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox 105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-105.0-build2-0ubuntu0.18.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox 105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-105.0-build2-0ubuntu0.20.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 8",
      "fixedVersion": "102.3.0-6.el8_6.alma",
      "fix": "ALSA-2022:6702",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-6702",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 9",
      "fixedVersion": "102.3.0-6.el9_0.alma",
      "fix": "ALSA-2022:6700",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-6700",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:102.3.0-6.0.1.el8_6",
      "fix": "ELSA-2022-6702",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-6702",
      "released": "2022-09-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 9",
      "fixedVersion": "0:102.3.0-6.0.1.el9_0",
      "fix": "ELSA-2022-6700",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-6700",
      "released": "2022-09-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 8",
      "fixedVersion": "0:102.3.0-6.el8_6",
      "fix": "RLSA-2022:6702",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-6702",
      "released": "2022-09-26T13:37:58Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "102.3.0esr-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "102.3.0esr-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 14",
      "fixedVersion": "102.3.0esr-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-105.0-build2-0ubuntu0.18.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-105.0-build2-0ubuntu0.20.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 105.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-105.0-build2-0ubuntu0.18.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 105.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-105.0-build2-0ubuntu0.20.04.1",
      "released": "2022-09-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:102.3.0-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:102.3.0-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:102.3.0-1",
      "fix": "DEBIAN-CVE-2022-40958",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-40958",
      "released": "2022-12-22T20:15:39Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:102.3.0-3.el8_6",
      "fix": "RHSA-2022:6708",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-6708",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:102.3.0-3.el9_0",
      "fix": "RHSA-2022:6717",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-6717",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
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      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
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      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/alsa-2022-6708",
      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
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      "released": "2022-09-26T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
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      "fix": "ELSA-2022-6708",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-6708",
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    },
    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/elsa-2022-6717",
      "released": "2022-09-28T00:00:00Z"
    },
    {
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      "fix": "RLSA-2022:6708",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-6708",
      "released": "2022-09-26T13:56:07Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-gnome-support 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-gnome-support 1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-mozsymbols 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-mozsymbols 1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-gdata-provider 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-gdata-provider 1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-lightning 1:102.4.2\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-102.4.2-build2-0ubuntu0.18.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-lightning 1:102.4.2\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-lightning-1-102.4.2-build2-0ubuntu0.20.04.1",
      "released": "2022-10-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-lightning 1:102.4.2\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-lightning-1-102.4.2-build2-0ubuntu0.22.04.1",
      "released": "2022-10-26T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}