{
  "cveId": "CVE-2022-36440",
  "url": "https://patchblox.com/security/cve/CVE-2022-36440",
  "summary": "CVE-2022-36440 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2022-36440, released April 3, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "frr: FRRouting is free software that manages TCP/IP based routing protocols",
  "description": "FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. \n\nSecurity Fix(es):\n\n* frr: Reachable assertion in peek_for_as4_capability function (CVE-2022-36440)\n\n* frr: denial of service by crafting a BGP OPEN message with an option of type 0xff (CVE-2022-40302)\n\n* frr: denial of service by crafting a BGP OPEN message with an option of type in bgp_open_option_parse in the bgp_open.c 0xff (CVE-2022-40318)\n\n* frr: out-of-bounds read exists in the BGP daemon of FRRouting (CVE-2022-43681)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.",
  "published": "2023-04-03T16:15:07Z",
  "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": 0.01624,
  "epssPercentile": 0.76276,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "8.4.1-1",
      "fix": "DEBIAN-CVE-2022-36440",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-36440",
      "released": "2023-04-03T16:15:07Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "8.4.1-1",
      "fix": "DEBIAN-CVE-2022-36440",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-36440",
      "released": "2023-04-03T16:15:07Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "Debian 14",
      "fixedVersion": "8.4.1-1",
      "fix": "DEBIAN-CVE-2022-36440",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-36440",
      "released": "2023-04-03T16:15:07Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "RHEL 9",
      "fixedVersion": "0:8.3.1-11.el9_3",
      "fix": "RHSA-2023:6434",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6434",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "almalinux 9",
      "fixedVersion": "8.3.1-11.el9_3.alma.1",
      "fix": "ALSA-2023:6434",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6434",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr",
      "release": "ol 9",
      "fixedVersion": "0:8.3.1-11.el9_3",
      "fix": "ELSA-2023-6434",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6434",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-selinux",
      "release": "RHEL 9",
      "fixedVersion": "0:8.3.1-11.el9_3",
      "fix": "RHSA-2023:6434",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6434",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-selinux",
      "release": "almalinux 9",
      "fixedVersion": "8.3.1-11.el9_3.alma.1",
      "fix": "ALSA-2023:6434",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6434",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "frr-selinux",
      "release": "ol 9",
      "fixedVersion": "0:8.3.1-11.el9_3",
      "fix": "ELSA-2023-6434",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6434",
      "released": "2023-11-11T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}