{
  "cveId": "CVE-2026-37459",
  "url": "https://patchblox.com/security/cve/CVE-2026-37459",
  "summary": "CVE-2026-37459 is fixed in 7 products on 1 platform, first by frr 10.4.1-3ubuntu1.4, released May 4, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.",
  "description": "An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.",
  "published": "2026-05-04T00:00:00Z",
  "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",
  "cwe": "Uncontrolled Resource Consumption",
  "epss": 0.00371,
  "epssPercentile": 0.31262,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-37459",
  "fixes": [
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 14",
      "fixedVersion": "10.6.0-2",
      "fix": "DEBIAN-CVE-2026-37459",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37459",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "RHEL 10",
      "fixedVersion": "10.4.4-1.el10_2",
      "fix": "RHSA-2026:24347",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24347",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "10.4.1-3ubuntu1.4",
      "fix": "frr 10.4.1-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-frr-10.4.1-3ubuntu1.4",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "10.5.1-1ubuntu4.1",
      "fix": "frr 10.5.1-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-frr-10.5.1-1ubuntu4.1",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "almalinux 10",
      "fixedVersion": "10.4.4-1.el10_2",
      "fix": "ALSA-2026:24347",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24347",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "ol 10",
      "fixedVersion": "0:10.4.4-1.el10_2",
      "fix": "ELSA-2026-24347",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24347",
      "released": "2026-07-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "rocky 10",
      "fixedVersion": "0:10.4.4-1.el10_2",
      "fix": "RLSA-2026:24347",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-24347",
      "released": "2026-06-11T12:05:12Z"
    },
    {
      "platform": "linux",
      "product": "frr-pythontools",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "10.4.1-3ubuntu1.4",
      "fix": "frr-pythontools 10.4.1-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-frr-pythontools-10.4.1-3ubuntu1.4",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-pythontools",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "10.5.1-1ubuntu4.1",
      "fix": "frr-pythontools 10.5.1-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-frr-pythontools-10.5.1-1ubuntu4.1",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-rpki-rtrlib",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "10.4.1-3ubuntu1.4",
      "fix": "frr-rpki-rtrlib 10.4.1-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-frr-rpki-rtrlib-10.4.1-3ubuntu1.4",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-rpki-rtrlib",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "10.5.1-1ubuntu4.1",
      "fix": "frr-rpki-rtrlib 10.5.1-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-frr-rpki-rtrlib-10.5.1-1ubuntu4.1",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-selinux",
      "release": "almalinux 10",
      "fixedVersion": "10.4.4-1.el10_2",
      "fix": "ALSA-2026:24347",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24347",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-selinux",
      "release": "ol 10",
      "fixedVersion": "0:10.4.4-1.el10_2",
      "fix": "ELSA-2026-24347",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24347",
      "released": "2026-07-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-snmp",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "10.4.1-3ubuntu1.4",
      "fix": "frr-snmp 10.4.1-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-frr-snmp-10.4.1-3ubuntu1.4",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-snmp",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "10.5.1-1ubuntu4.1",
      "fix": "frr-snmp 10.5.1-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-frr-snmp-10.5.1-1ubuntu4.1",
      "released": "2026-05-04T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr10",
      "release": "RHEL 9",
      "fixedVersion": "0:10.4.3-3.el9_8",
      "fix": "RHSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24370",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "frr10",
      "release": "almalinux 9",
      "fixedVersion": "10.4.3-3.el9_8",
      "fix": "ALSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24370",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr10",
      "release": "ol 9",
      "fixedVersion": "0:10.4.3-3.el9_8",
      "fix": "ELSA-2026-24370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24370",
      "released": "2026-06-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr10",
      "release": "rocky 9",
      "fixedVersion": "0:10.4.3-3.el9_8",
      "fix": "RLSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-24370",
      "released": "2026-06-11T12:03:24Z"
    },
    {
      "platform": "linux",
      "product": "frr10-selinux",
      "release": "RHEL 9",
      "fixedVersion": "0:10.4.3-3.el9_8",
      "fix": "RHSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24370",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "frr10-selinux",
      "release": "almalinux 9",
      "fixedVersion": "10.4.3-3.el9_8",
      "fix": "ALSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24370",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr10-selinux",
      "release": "ol 9",
      "fixedVersion": "0:10.4.3-3.el9_8",
      "fix": "ELSA-2026-24370",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24370",
      "released": "2026-06-24T00:00:00Z"
    }
  ],
  "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"
  }
}