{
  "cveId": "CVE-2026-37457",
  "url": "https://patchblox.com/security/cve/CVE-2026-37457",
  "summary": "CVE-2026-37457 is fixed in 7 products on 1 platform, first by frr 8.1-1ubuntu1.16, released May 4, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.",
  "description": "An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.",
  "published": "2026-05-01T00:00:00Z",
  "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": "Out-of-bounds Write",
  "epss": 0.00389,
  "epssPercentile": 0.33238,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-37457",
  "fixes": [
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "8.4.4-1.1~deb12u2",
      "fix": "DEBIAN-CVE-2026-37457",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37457",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "10.3-3\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-37457",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37457",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 14",
      "fixedVersion": "10.6.0-2",
      "fix": "DEBIAN-CVE-2026-37457",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37457",
      "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": "RHEL 8",
      "fixedVersion": "0:7.5.1-24.el8_10",
      "fix": "RHSA-2026:24340",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24340",
      "released": "2026-06-24T14:07:58Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "RHEL 9",
      "fixedVersion": "0:8.5.3-13.el9_8",
      "fix": "RHSA-2026:24371",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24371",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "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": "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": "almalinux 8",
      "fixedVersion": "7.5.1-24.el8_10",
      "fix": "ALSA-2026:24340",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24340",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "almalinux 9",
      "fixedVersion": "8.5.3-13.el9_8",
      "fix": "ALSA-2026:24371",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24371",
      "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": "ol 8",
      "fixedVersion": "0:7.5.1-24.0.1.el8_10",
      "fix": "ELSA-2026-24340",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24340",
      "released": "2026-06-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "ol 9",
      "fixedVersion": "0:8.5.3-13.el9_8",
      "fix": "ELSA-2026-24371",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-24371",
      "released": "2026-06-23T00:00:00Z"
    },
    {
      "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",
      "release": "rocky 8",
      "fixedVersion": "0:7.5.1-24.el8_10",
      "fix": "RLSA-2026:24340",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-24340",
      "released": "2026-06-11T06:00:31Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "rocky 9",
      "fixedVersion": "0:8.5.3-13.el9_8",
      "fix": "RLSA-2026:24371",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-24371",
      "released": "2026-06-11T12:03:24Z"
    },
    {
      "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",
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      "release": "sles 16.0",
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      "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)",
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      "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",
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      "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)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-frr-pythontools-10.4.1-3ubuntu1.4",
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    {
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    {
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    {
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      "fix": "RHSA-2026:24370",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24370",
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      "url": "https://patchblox.com/security/fix/linux/alsa-2026-24370",
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      "fix": "ELSA-2026-24370",
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      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-24370",
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    {
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      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-24370",
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    {
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      "released": "2026-06-24T00:00:00Z"
    }
  ],
  "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"
  }
}