{
  "cveId": "CVE-2020-37127",
  "url": "https://patchblox.com/security/cve/CVE-2020-37127",
  "summary": "CVE-2020-37127 is fixed in 4 products on 1 platform, first by dnsmasq 2.90-0ubuntu0.18.04.1\u002Besm1, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "dnsmasq: Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to ca...",
  "description": "Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcp_release process by sending a crafted input string longer than 16 characters.",
  "published": "2026-02-05T09:16:00Z",
  "severity": "Low",
  "epss": 0.00207,
  "epssPercentile": 0.10848,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.80-1",
      "fix": "DEBIAN-CVE-2020-37127",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-37127",
      "released": "2026-02-05T17:16:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.80-1",
      "fix": "DEBIAN-CVE-2020-37127",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-37127",
      "released": "2026-02-05T17:16:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 14",
      "fixedVersion": "2.80-1",
      "fix": "DEBIAN-CVE-2020-37127",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-37127",
      "released": "2026-02-05T17:16:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.90-0ubuntu0.18.04.1\u002Besm1",
      "fix": "dnsmasq 2.90-0ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-2.90-0ubuntu0.18.04.1-esm1",
      "released": "2026-01-16T01:42:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.90-0ubuntu0.22.04.1",
      "fix": "dnsmasq 2.90-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-2.90-0ubuntu0.22.04.1",
      "released": "2026-01-16T01:42:17Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.90-0ubuntu0.18.04.1\u002Besm1",
      "fix": "dnsmasq-base 2.90-0ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-2.90-0ubuntu0.18.04.1-esm1",
      "released": "2026-01-16T01:42:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.90-0ubuntu0.22.04.1",
      "fix": "dnsmasq-base 2.90-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-2.90-0ubuntu0.22.04.1",
      "released": "2026-01-16T01:42:17Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.90-0ubuntu0.18.04.1\u002Besm1",
      "fix": "dnsmasq-base-lua 2.90-0ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-lua-2.90-0ubuntu0.18.04.1-esm1",
      "released": "2026-01-16T01:42:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.90-0ubuntu0.22.04.1",
      "fix": "dnsmasq-base-lua 2.90-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-lua-2.90-0ubuntu0.22.04.1",
      "released": "2026-01-16T01:42:17Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.90-0ubuntu0.18.04.1\u002Besm1",
      "fix": "dnsmasq-utils 2.90-0ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-utils-2.90-0ubuntu0.18.04.1-esm1",
      "released": "2026-01-16T01:42:07Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.90-0ubuntu0.22.04.1",
      "fix": "dnsmasq-utils 2.90-0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-utils-2.90-0ubuntu0.22.04.1",
      "released": "2026-01-16T01:42:17Z"
    }
  ],
  "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"
  }
}