{
  "cveId": "CVE-2026-37458",
  "url": "https://patchblox.com/security/cve/CVE-2026-37458",
  "summary": "CVE-2026-37458 is fixed in 4 products on 1 platform, first by frr 8.1-1ubuntu1.16, released May 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.",
  "description": "Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.",
  "published": "2026-05-04T09:16:00Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Improper Input Validation",
  "epss": 0.00249,
  "epssPercentile": 0.16311,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-37458",
  "fixes": [
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "8.4.4-1.1~deb12u2",
      "fix": "DEBIAN-CVE-2026-37458",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37458",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "10.3-3\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-37458",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37458",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 14",
      "fixedVersion": "10.6.0-2",
      "fix": "DEBIAN-CVE-2026-37458",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37458",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "8.1-1ubuntu1.16",
      "fix": "frr 8.1-1ubuntu1.16",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-frr-8.1-1ubuntu1.16",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "8.4.4-1.1ubuntu6.7",
      "fix": "frr 8.4.4-1.1ubuntu6.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-frr-8.4.4-1.1ubuntu6.7",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "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": "sles 15.6",
      "fixedVersion": "8.5.7-150500.4.43.1",
      "fix": "SUSE-SU-2026:2454-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2454-1",
      "released": "2026-06-18T14:02:41Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "sles 15.7",
      "fixedVersion": "10.2.6-150700.3.10.1",
      "fix": "SUSE-SU-2026:2457-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2457-1",
      "released": "2026-06-18T15:54:17Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "sles 16.0",
      "fixedVersion": "10.2.6-160000.1.1",
      "fix": "SUSE-SU-2026:22026-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22026-1",
      "released": "2026-06-03T09:45:24Z"
    },
    {
      "platform": "linux",
      "product": "frr-pythontools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "8.1-1ubuntu1.16",
      "fix": "frr-pythontools 8.1-1ubuntu1.16",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-frr-pythontools-8.1-1ubuntu1.16",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-pythontools",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "8.4.4-1.1ubuntu6.7",
      "fix": "frr-pythontools 8.4.4-1.1ubuntu6.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-frr-pythontools-8.4.4-1.1ubuntu6.7",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "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 22.04.1 LTS (jammy)",
      "fixedVersion": "8.1-1ubuntu1.16",
      "fix": "frr-rpki-rtrlib 8.1-1ubuntu1.16",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-frr-rpki-rtrlib-8.1-1ubuntu1.16",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-rpki-rtrlib",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "8.4.4-1.1ubuntu6.7",
      "fix": "frr-rpki-rtrlib 8.4.4-1.1ubuntu6.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-frr-rpki-rtrlib-8.4.4-1.1ubuntu6.7",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "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-snmp",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "8.1-1ubuntu1.16",
      "fix": "frr-snmp 8.1-1ubuntu1.16",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-frr-snmp-8.1-1ubuntu1.16",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-snmp",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "8.4.4-1.1ubuntu6.7",
      "fix": "frr-snmp 8.4.4-1.1ubuntu6.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-frr-snmp-8.4.4-1.1ubuntu6.7",
      "released": "2026-05-04T09:16:00Z"
    },
    {
      "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"
    }
  ],
  "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"
  }
}