{
  "cveId": "CVE-2022-46878",
  "url": "https://patchblox.com/security/cve/CVE-2022-46878",
  "summary": "CVE-2022-46878 is fixed in 13 products on 2 platforms, first by Mozilla Thunderbird (en-US) 102.6.0, released December 12, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Firefox and 4 others: Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory\u2026",
  "description": "Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003C 108, Firefox ESR \u003C 102.6, and Thunderbird \u003C 102.6.",
  "published": "2022-12-13T16:00:00Z",
  "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",
  "epss": 0.0077,
  "epssPercentile": 0.55864,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-46878",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "108.0",
      "fix": "Mozilla Firefox (en-US) 108.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-108.0",
      "released": "2022-12-14T00:00:00Z"
    },
    {
      "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": "102.6.0",
      "fix": "Mozilla Thunderbird (en-US) 102.6.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-102.6.0",
      "released": "2022-12-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:102.6.0-1.el8_7",
      "fix": "RHSA-2022:9067",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-9067",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 9",
      "fixedVersion": "0:102.6.0-1.el9_1",
      "fix": "RHSA-2022:9065",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-9065",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox 108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-108.0-build2-0ubuntu0.18.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox 108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-108.0-build2-0ubuntu0.20.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 8",
      "fixedVersion": "102.6.0-1.el8_7.alma",
      "fix": "ALSA-2022:9067",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-9067",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 9",
      "fixedVersion": "102.6.0-1.el9_1.alma",
      "fix": "ALSA-2022:9065",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-9065",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:102.6.0-1.0.1.el8_7",
      "fix": "ELSA-2022-9067-1",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9067-1",
      "released": "2022-12-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 9",
      "fixedVersion": "0:102.6.0-1.0.1.el9_1",
      "fix": "ELSA-2022-9065-1",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9065-1",
      "released": "2022-12-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 8",
      "fixedVersion": "0:102.6.0-1.el8_7",
      "fix": "RLSA-2022:9067",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-9067",
      "released": "2022-12-15T15:32:10Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "102.6.0esr-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "102.6.0esr-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 14",
      "fixedVersion": "102.6.0esr-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-108.0-build2-0ubuntu0.18.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-108.0-build2-0ubuntu0.20.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 108.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-108.0-build2-0ubuntu0.18.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 108.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-108.0-build2-0ubuntu0.20.04.1",
      "released": "2022-12-13T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:102.6.0-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:102.6.0-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:102.6.0-1",
      "fix": "DEBIAN-CVE-2022-46878",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-46878",
      "released": "2022-12-22T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:102.6.0-2.el8_7",
      "fix": "RHSA-2022:9074",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-9074",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:102.6.0-2.el9_1",
      "fix": "RHSA-2022:9080",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-9080",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 8",
      "fixedVersion": "102.6.0-2.el8_7.alma",
      "fix": "ALSA-2022:9074",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-9074",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 9",
      "fixedVersion": "102.6.0-2.el9_1.alma",
      "fix": "ALSA-2022:9080",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-9080",
      "released": "2022-12-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 8",
      "fixedVersion": "0:102.6.0-2.0.1.el8_7",
      "fix": "ELSA-2022-9074-1",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9074-1",
      "released": "2022-12-16T00:00:00Z"
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    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9080-1",
      "released": "2022-12-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird-gnome-support 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-gnome-support 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-gnome-support 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-mozsymbols 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-mozsymbols 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-gdata-provider 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "xul-ext-gdata-provider 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "fix": "xul-ext-lightning 1:102.7.1\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.18.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-lightning 1:102.7.1\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.20.04.1",
      "released": "2023-01-17T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-lightning 1:102.7.1\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.22.04.1",
      "released": "2023-01-17T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}