{
  "cveId": "CVE-2022-26495",
  "url": "https://patchblox.com/security/cve/CVE-2022-26495",
  "summary": "CVE-2022-26495 is fixed in 3 products on 1 platform, first by nbd-client 1:3.16.2-1ubuntu0.2, released March 5, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "nbd-client: In nbd-server in nbd before 3.24, there is an integer overflow with aresultant heap-based buffer overflow",
  "description": "In nbd-server in nbd before 3.24, there is an integer overflow with aresultant heap-based buffer overflow. A value of 0xffffffff in the namelength field will cause a zero-sized buffer to be allocated for the name,resulting in a write to a dangling pointer. This issue exists for theNBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages.",
  "published": "2022-03-05T22:15:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.02859,
  "epssPercentile": 0.8683,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "nbd",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1:3.21-1\u002Bdeb11u1",
      "fix": "DSA-5100-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5100-1",
      "released": "2022-03-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:3.24-1",
      "fix": "DEBIAN-CVE-2022-26495",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26495",
      "released": "2022-03-06T06:15:07Z"
    },
    {
      "platform": "linux",
      "product": "nbd",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:3.24-1",
      "fix": "DEBIAN-CVE-2022-26495",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26495",
      "released": "2022-03-06T06:15:07Z"
    },
    {
      "platform": "linux",
      "product": "nbd",
      "release": "Debian 14",
      "fixedVersion": "1:3.24-1",
      "fix": "DEBIAN-CVE-2022-26495",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26495",
      "released": "2022-03-06T06:15:07Z"
    },
    {
      "platform": "linux",
      "product": "nbd-client",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.16.2-1ubuntu0.2",
      "fix": "nbd-client 1:3.16.2-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nbd-client-1-3.16.2-1ubuntu0.2",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-client",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:3.20-1ubuntu0.1",
      "fix": "nbd-client 1:3.20-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-nbd-client-1-3.20-1ubuntu0.1",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-client",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-client 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-nbd-client-1-3.23-3ubuntu1",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-client",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-client 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-nbd-client-1-3.23-3ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "nbd-client",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-client 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-nbd-client-1-3.23-3ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "nbd-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.16.2-1ubuntu0.2",
      "fix": "nbd-server 1:3.16.2-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nbd-server-1-3.16.2-1ubuntu0.2",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-server",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:3.20-1ubuntu0.1",
      "fix": "nbd-server 1:3.20-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-nbd-server-1-3.20-1ubuntu0.1",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-server",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-server 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-nbd-server-1-3.23-3ubuntu1",
      "released": "2022-03-05T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "nbd-server",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-server 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-nbd-server-1-3.23-3ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "nbd-server",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:3.23-3ubuntu1",
      "fix": "nbd-server 1:3.23-3ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-nbd-server-1-3.23-3ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "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"
  }
}