{
  "cveId": "CVE-2022-23990",
  "url": "https://patchblox.com/security/cve/CVE-2022-23990",
  "summary": "CVE-2022-23990 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2022-23990, released January 26, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "expat: Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.",
  "description": "Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.",
  "published": "2022-01-26T11:15:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.04688,
  "epssPercentile": 0.91848,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.4.3-3",
      "fix": "DEBIAN-CVE-2022-23990",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-23990",
      "released": "2022-01-26T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.4.3-3",
      "fix": "DEBIAN-CVE-2022-23990",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-23990",
      "released": "2022-01-26T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 14",
      "fixedVersion": "2.4.3-3",
      "fix": "DEBIAN-CVE-2022-23990",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-23990",
      "released": "2022-01-26T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "RHEL 8",
      "fixedVersion": "0:2.5.0-1.el8_10",
      "fix": "RHSA-2025:21776",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2025-21776",
      "released": "2025-11-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "RHEL 9",
      "fixedVersion": "0:2.2.10-12.el9_0",
      "fix": "RHBA-2022:4046",
      "url": "https://patchblox.com/security/fix/linux/rhba-2022-4046",
      "released": "2022-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.2.5-3ubuntu0.4",
      "fix": "expat 2.2.5-3ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-expat-2.2.5-3ubuntu0.4",
      "released": "2022-02-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.2.9-1ubuntu0.2",
      "fix": "expat 2.2.9-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-expat-2.2.9-1ubuntu0.2",
      "released": "2022-02-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.4.3-3",
      "fix": "expat 2.4.3-3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-expat-2.4.3-3",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.4.3-3",
      "fix": "expat 2.4.3-3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-expat-2.4.3-3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "almalinux 8",
      "fixedVersion": "2.5.0-1.el8_10",
      "fix": "ALSA-2025:21776",
      "url": "https://patchblox.com/security/fix/linux/alsa-2025-21776",
      "released": "2025-11-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-058",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-058",
      "released": "2023-02-17T20:45:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "ol 8",
      "fixedVersion": "0:2.2.5-4.0.1.el8_5.3",
      "fix": "ELSA-2022-9232",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9232",
      "released": "2022-03-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-058",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-058",
      "released": "2023-02-17T20:45:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-058",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-058",
      "released": "2023-02-17T20:45:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.5.0-1.el8_10",
      "fix": "RHSA-2025:21776",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2025-21776",
      "released": "2025-11-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:2.2.10-12.el9_0",
      "fix": "RHBA-2022:4046",
      "url": "https://patchblox.com/security/fix/linux/rhba-2022-4046",
      "released": "2022-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "almalinux 8",
      "fixedVersion": "2.5.0-1.el8_10",
      "fix": "ALSA-2025:21776",
      "url": "https://patchblox.com/security/fix/linux/alsa-2025-21776",
      "released": "2025-11-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-058",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-058",
      "released": "2023-02-17T20:45:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.2.5-4.0.1.el8_5.3",
      "fix": "ELSA-2022-9232",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9232",
      "released": "2022-03-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-static",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-058",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-058",
      "released": "2023-02-17T20:45:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:1snap1-0ubuntu1",
      "fix": "firefox 1:1snap1-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-firefox-1-1snap1-0ubuntu1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1:1snap1-0ubuntu1",
      "fix": "firefox 1:1snap1-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-firefox-1-1snap1-0ubuntu1",
      "released": "2022-02-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:1snap1-0ubuntu1",
      "fix": "firefox 1:1snap1-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-firefox-1-1snap1-0ubuntu1",
      "released": "2022-02-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.2.5-3ubuntu0.4",
      "fix": "libexpat1 2.2.5-3ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.4",
      "released": "2022-02-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.2.9-1ubuntu0.2",
      "fix": "libexpat1 2.2.9-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.2",
      "released": "2022-02-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.4.3-3",
      "fix": "libexpat1 2.4.3-3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libexpat1-2.4.3-3",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.4.3-3",
      "fix": "libexpat1 2.4.3-3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libexpat1-2.4.3-3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-expat",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.8-1.el8",
      "fix": "RHSA-2022:7811",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7811",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-expat",
      "release": "almalinux 8",
      "fixedVersion": "2.4.8-1.el8",
      "fix": "ALSA-2022:7811",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7811",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-expat",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.8-1.el8",
      "fix": "RHSA-2022:7811",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7811",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-expat",
      "release": "almalinux 8",
      "fixedVersion": "2.4.8-1.el8",
      "fix": "ALSA-2022:7811",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7811",
      "released": "2022-11-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}