{
  "cveId": "CVE-2026-53689",
  "url": "https://patchblox.com/security/cve/CVE-2026-53689",
  "summary": "CVE-2026-53689 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2026-53689, released June 10, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libnfs: libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connecti...",
  "description": "libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.",
  "published": "2026-06-10T15:16:42Z",
  "severity": "high",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L",
  "epss": 0.00212,
  "epssPercentile": 0.1154,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "4.0.0-1\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-53689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53689",
      "released": "2026-06-10T15:16:42Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.0.2-1\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-53689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53689",
      "released": "2026-06-10T15:16:42Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "Debian 14",
      "fixedVersion": "5.0.2-1.1",
      "fix": "DEBIAN-CVE-2026-53689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53689",
      "released": "2026-06-10T15:16:42Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "5.0.3-160000.4.1",
      "fix": "OPENSUSE-SU-2026:21055-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21055-1",
      "released": "2026-06-25T11:50:17Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "sles 15.6",
      "fixedVersion": "1.11.0-150000.3.3.1",
      "fix": "SUSE-SU-2026:2760-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2760-1",
      "released": "2026-07-06T04:05:31Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "sles 15.7",
      "fixedVersion": "1.11.0-150000.3.3.1",
      "fix": "SUSE-SU-2026:2760-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2760-1",
      "released": "2026-07-06T04:05:31Z"
    },
    {
      "platform": "linux",
      "product": "libnfs",
      "release": "sles 16.0",
      "fixedVersion": "5.0.3-160000.4.1",
      "fix": "SUSE-SU-2026:22363-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22363-1",
      "released": "2026-06-25T11:50:53Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-devel",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-devel",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.0.0-1ubuntu0.1",
      "fix": "libnfs-utils 4.0.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libnfs-utils-4.0.0-1ubuntu0.1",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "5.0.2-1ubuntu0.24.04.1",
      "fix": "libnfs-utils 5.0.2-1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libnfs-utils-5.0.2-1ubuntu0.24.04.1",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "5.0.2-1ubuntu0.25.10.1",
      "fix": "libnfs-utils 5.0.2-1ubuntu0.25.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnfs-utils-5.0.2-1ubuntu0.25.10.1",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "5.0.2-1ubuntu1.1",
      "fix": "libnfs-utils 5.0.2-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnfs-utils-5.0.2-1ubuntu1.1",
      "released": "2026-06-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "6.0.2-9.fc43",
      "fix": "FEDORA-2026-2E196B6FA5",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-2e196b6fa5",
      "released": "2026-08-10T22:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libnfs-utils-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.0.0-4.amzn2023.0.3",
      "fix": "ALAS2023-2026-1855",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1855",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnfs13",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.0.0-1ubuntu0.1",
      "fix": "libnfs13 4.0.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libnfs13-4.0.0-1ubuntu0.1",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "libnfs14",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "5.0.2-1ubuntu0.24.04.1",
      "fix": "libnfs14 5.0.2-1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libnfs14-5.0.2-1ubuntu0.24.04.1",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "libnfs14",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "5.0.2-1ubuntu0.25.10.1",
      "fix": "libnfs14 5.0.2-1ubuntu0.25.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnfs14-5.0.2-1ubuntu0.25.10.1",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "libnfs14",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "5.0.2-1ubuntu1.1",
      "fix": "libnfs14 5.0.2-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnfs14-5.0.2-1ubuntu1.1",
      "released": "2026-06-10T17:00:00Z"
    }
  ],
  "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"
  }
}