{
  "cveId": "CVE-2023-0547",
  "url": "https://patchblox.com/security/cve/CVE-2023-0547",
  "summary": "CVE-2023-0547 is fixed in 7 products on 2 platforms, first by thunderbird 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1, released April 11, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Thunderbird and 1 other: Improper Certificate Validation",
  "description": "OCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted. Thunderbird versions from 68 to 102.9.1 were affected by this bug. This vulnerability affects Thunderbird \u003C 102.10.",
  "published": "2023-04-11T17:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
  "cwe": "CWE-295: Improper Certificate Validation",
  "epss": 0.00372,
  "epssPercentile": 0.31375,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-0547",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Thunderbird (en-US)",
      "fixedVersion": "115.8.0",
      "fix": "Mozilla Thunderbird (en-US) 115.8.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-115.8.0",
      "released": "2024-02-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1:102.10.0-1~deb11u1",
      "fix": "DSA-5392-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5392-1",
      "released": "2023-04-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:102.10.0-1",
      "fix": "DEBIAN-CVE-2023-0547",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0547",
      "released": "2023-06-02T17:15:10Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:102.10.0-1",
      "fix": "DEBIAN-CVE-2023-0547",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0547",
      "released": "2023-06-02T17:15:10Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:102.10.0-1",
      "fix": "DEBIAN-CVE-2023-0547",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0547",
      "released": "2023-06-02T17:15:10Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:102.10.0-2.el8_7",
      "fix": "RHSA-2023:1802",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1802",
      "released": "2023-04-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:102.10.0-2.el9_1",
      "fix": "RHSA-2023:1809",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1809",
      "released": "2023-04-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 8",
      "fixedVersion": "102.10.0-2.el8_7.alma",
      "fix": "ALSA-2023:1802",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-1802",
      "released": "2023-04-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 9",
      "fixedVersion": "102.10.0-2.el9_1.alma",
      "fix": "ALSA-2023:1809",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-1809",
      "released": "2023-04-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 8",
      "fixedVersion": "0:102.10.0-2.0.1.el8_7",
      "fix": "ELSA-2023-1802",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-1802",
      "released": "2023-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 9",
      "fixedVersion": "0:102.10.0-2.0.1.el9_1",
      "fix": "ELSA-2023-1809",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-1809",
      "released": "2023-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "rocky 8",
      "fixedVersion": "0:102.10.0-2.el8_7",
      "fix": "RLSA-2023:1802",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-1802",
      "released": "2023-04-26T15:28:13Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "rocky 9",
      "fixedVersion": "0:102.10.0-2.el9_1",
      "fix": "RLSA-2023:1809",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-1809",
      "released": "2023-04-26T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird-gnome-support 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-gnome-support 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-gnome-support 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "thunderbird-mozsymbols 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "thunderbird-mozsymbols 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-calendar-timezones 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-gdata-provider 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-gdata-provider 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "xul-ext-lightning 1:102.10.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-102.10.0-build2-0ubuntu0.18.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "xul-ext-lightning 1:102.10.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-lightning-1-102.10.0-build2-0ubuntu0.20.04.1",
      "released": "2023-04-11T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "fix": "xul-ext-lightning 1:102.10.0\u002Bbuild2-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-xul-ext-lightning-1-102.10.0-build2-0ubuntu0.22.04.1",
      "released": "2023-04-11T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}