{
  "cveId": "CVE-2026-71221",
  "url": "https://patchblox.com/security/cve/CVE-2026-71221",
  "summary": "CVE-2026-71221 is fixed in gfs2-utils on 1 platform by DEBIAN-CVE-2026-71221 (version 3.6.1-2), released September 3, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta",
  "description": "A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.",
  "published": "2026-09-03T13:06:02Z",
  "severity": "Important",
  "cvss": 7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cwe": "Out-of-bounds Write",
  "epss": 0.00134,
  "epssPercentile": 0.02959,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71221",
  "fixes": [
    {
      "platform": "linux",
      "product": "gfs2-utils",
      "release": "Debian 14",
      "fixedVersion": "3.6.1-2",
      "fix": "DEBIAN-CVE-2026-71221",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-71221",
      "released": "2026-09-03T13:06:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}