{
  "cveId": "CVE-2023-28450",
  "url": "https://patchblox.com/security/cve/CVE-2023-28450",
  "summary": "CVE-2023-28450 is fixed in 7 products on 1 platform, first by dnsmasq 2.79-1ubuntu0.7, released March 15, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dnsmasq: This update for dnsmasq fixes the following issues:\n\n- Version update to 2.90:\n- CVE-2023-50387: Fixed a Denial Of Se...",
  "description": "This update for dnsmasq fixes the following issues:\n\n- Version update to 2.90:\n- CVE-2023-50387: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219823)\n- CVE-2023-50868: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219826)\n- CVE-2023-28450: Default maximum EDNS.0 UDP packet size should be 1232. (bsc#1209358)",
  "published": "2023-03-15T14:15:00Z",
  "severity": "Moderate",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.01838,
  "epssPercentile": 0.79098,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.90-4~deb12u1",
      "fix": "DEBIAN-CVE-2023-28450",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28450",
      "released": "2023-03-15T21:15:09Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.90-1",
      "fix": "DEBIAN-CVE-2023-28450",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28450",
      "released": "2023-03-15T21:15:09Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 14",
      "fixedVersion": "2.90-1",
      "fix": "DEBIAN-CVE-2023-28450",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28450",
      "released": "2023-03-15T21:15:09Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "RHEL 8",
      "fixedVersion": "0:2.79-31.el8",
      "fix": "RHSA-2023:7046",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7046",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "RHEL 9",
      "fixedVersion": "0:2.85-14.el9",
      "fix": "RHSA-2023:6524",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6524",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.7",
      "fix": "dnsmasq 2.79-1ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-2.79-1ubuntu0.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.7",
      "fix": "dnsmasq 2.80-1.1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-2.80-1.1ubuntu1.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.3",
      "fix": "dnsmasq 2.86-1.1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-2.86-1.1ubuntu0.3",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "almalinux 8",
      "fixedVersion": "2.79-31.el8",
      "fix": "ALSA-2023:7046",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7046",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "almalinux 9",
      "fixedVersion": "2.85-14.el9",
      "fix": "ALSA-2023:6524",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6524",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.3",
      "fix": "ALAS2023-2023-192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-192",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "ol 8",
      "fixedVersion": "0:2.79-31.el8",
      "fix": "ELSA-2023-7046",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7046",
      "released": "2023-11-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "ol 9",
      "fixedVersion": "0:2.85-14.el9",
      "fix": "ELSA-2023-6524",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6524",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "2.90-150400.16.3.1",
      "fix": "SUSE-SU-2025:0071-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-0071-1",
      "released": "2025-01-10T16:54:22Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "sles 15.6",
      "fixedVersion": "2.90-150400.16.3.1",
      "fix": "SUSE-SU-2025:0071-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-0071-1",
      "released": "2025-01-10T16:54:22Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.7",
      "fix": "dnsmasq-base 2.79-1ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-2.79-1ubuntu0.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.7",
      "fix": "dnsmasq-base 2.80-1.1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-base-2.80-1.1ubuntu1.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.3",
      "fix": "dnsmasq-base 2.86-1.1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-2.86-1.1ubuntu0.3",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.7",
      "fix": "dnsmasq-base-lua 2.79-1ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-lua-2.79-1ubuntu0.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.7",
      "fix": "dnsmasq-base-lua 2.80-1.1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-base-lua-2.80-1.1ubuntu1.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.3",
      "fix": "dnsmasq-base-lua 2.86-1.1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-lua-2.86-1.1ubuntu0.3",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.3",
      "fix": "ALAS2023-2023-192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-192",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.3",
      "fix": "ALAS2023-2023-192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-192",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "RHEL 8",
      "fixedVersion": "0:2.79-31.el8",
      "fix": "RHSA-2023:7046",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7046",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "RHEL 9",
      "fixedVersion": "0:2.85-14.el9",
      "fix": "RHSA-2023:6524",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6524",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.7",
      "fix": "dnsmasq-utils 2.79-1ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-utils-2.79-1ubuntu0.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.7",
      "fix": "dnsmasq-utils 2.80-1.1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-utils-2.80-1.1ubuntu1.7",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.3",
      "fix": "dnsmasq-utils 2.86-1.1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-utils-2.86-1.1ubuntu0.3",
      "released": "2023-03-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "almalinux 8",
      "fixedVersion": "2.79-31.el8",
      "fix": "ALSA-2023:7046",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7046",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "almalinux 9",
      "fixedVersion": "2.85-14.el9",
      "fix": "ALSA-2023:6524",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6524",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.3",
      "fix": "ALAS2023-2023-192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-192",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "ol 8",
      "fixedVersion": "0:2.79-31.el8",
      "fix": "ELSA-2023-7046",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7046",
      "released": "2023-11-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "ol 9",
      "fixedVersion": "0:2.85-14.el9",
      "fix": "ELSA-2023-6524",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6524",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.3",
      "fix": "ALAS2023-2023-192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-192",
      "released": "2023-06-05T16:38:00Z"
    }
  ],
  "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"
  }
}