UBUNTU-CVE-2026-71221

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Source
https://ubuntu.com/security/CVE-2026-71221
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-71221
Upstream
  • CVE-2026-71221
Published
2026-09-04T00:00:00Z
Modified
2026-09-05T06:16:05.961792959Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.1.6-0ubuntu2
3.1.6-0ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.1.6-0ubuntu3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"
Ubuntu:18.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.1.9-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.1.9-2ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"
Ubuntu:20.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.2.0-2
3.2.0-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.2.0-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"
Ubuntu:22.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.3.0-2
3.4.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.4.1-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"
Ubuntu:24.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.5.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.5.1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"
Ubuntu:26.04:LTS
gfs2-utils

Package

Name
gfs2-utils
Purl
pkg:deb/ubuntu/gfs2-utils?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.6.1-1
3.6.1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gfs2-utils",
            "binary_version": "3.6.1-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71221.json"