{
  "cveId": "CVE-2026-56136",
  "url": "https://patchblox.com/security/cve/CVE-2026-56136",
  "summary": "CVE-2026-56136 is fixed in 4 products on 1 platform, first by libntfs-3g89t64 1:2022.10.3-5ubuntu1.1, released July 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.",
  "description": "In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.",
  "published": "2026-07-15T05:00:00Z",
  "severity": "Moderate",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.00122,
  "epssPercentile": 0.01999,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56136",
  "fixes": [
    {
      "platform": "linux",
      "product": "libntfs-3g89",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:2021.8.22-3ubuntu1.4",
      "fix": "libntfs-3g89 1:2021.8.22-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libntfs-3g89-1-2021.8.22-3ubuntu1.4",
      "released": "2026-07-18T12:43:06Z"
    },
    {
      "platform": "linux",
      "product": "libntfs-3g89t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:2022.10.3-1.2ubuntu3.2",
      "fix": "libntfs-3g89t64 1:2022.10.3-1.2ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libntfs-3g89t64-1-2022.10.3-1.2ubuntu3.2",
      "released": "2026-07-18T12:43:09Z"
    },
    {
      "platform": "linux",
      "product": "libntfs-3g89t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:2022.10.3-5ubuntu1.1",
      "fix": "libntfs-3g89t64 1:2022.10.3-5ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libntfs-3g89t64-1-2022.10.3-5ubuntu1.1",
      "released": "2026-07-15T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:2022.10.3-1\u002Bdeb12u4",
      "fix": "DEBIAN-CVE-2026-56136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-56136",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:2022.10.3-5\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-56136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-56136",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Debian 14",
      "fixedVersion": "1:2026.7.7-2",
      "fix": "DEBIAN-CVE-2026-56136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-56136",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:2021.8.22-3ubuntu1.4",
      "fix": "ntfs-3g 1:2021.8.22-3ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ntfs-3g-1-2021.8.22-3ubuntu1.4",
      "released": "2026-07-18T12:43:06Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:2022.10.3-1.2ubuntu3.2",
      "fix": "ntfs-3g 1:2022.10.3-1.2ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ntfs-3g-1-2022.10.3-1.2ubuntu3.2",
      "released": "2026-07-18T12:43:09Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:2022.10.3-5ubuntu1.1",
      "fix": "ntfs-3g 1:2022.10.3-5ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-ntfs-3g-1-2022.10.3-5ubuntu1.1",
      "released": "2026-07-15T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g_ntfsprogs",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2022.10.3-160000.4.1",
      "fix": "OPENSUSE-SU-2026:21484-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21484-1",
      "released": "2026-07-30T09:09:28Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g_ntfsprogs",
      "release": "sles 15.6",
      "fixedVersion": "2022.5.17-150000.3.27.1",
      "fix": "SUSE-SU-2026:3214-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3214-1",
      "released": "2026-07-23T14:18:48Z"
    },
    {
      "platform": "linux",
      "product": "ntfs-3g_ntfsprogs",
      "release": "sles 15.7",
      "fixedVersion": "2022.5.17-150000.3.27.1",
      "fix": "SUSE-SU-2026:3214-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3214-1",
      "released": "2026-07-23T14:18:48Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}