UBUNTU-CVE-2026-59676

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Source
https://ubuntu.com/security/CVE-2026-59676
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59676.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-59676
Upstream
  • CVE-2026-59676
Published
2026-07-23T07:16:00Z
Modified
2026-07-29T07:59:17Z
Severity
  • 5.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10.

References

Affected packages

Ubuntu:18.04:LTS / selinux-python

Package

Name
selinux-python
Purl
pkg:deb/ubuntu/selinux-python?arch=source&distro=bionic

Affected ranges

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

Affected versions

2.*
2.7-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "policycoreutils-gui",
            "binary_version": "2.7-2"
        },
        {
            "binary_name": "policycoreutils-python-utils",
            "binary_version": "2.7-2"
        },
        {
            "binary_name": "policycoreutils-sandbox",
            "binary_version": "2.7-2"
        },
        {
            "binary_name": "python3-sepolgen",
            "binary_version": "2.7-2"
        },
        {
            "binary_name": "python3-sepolicy",
            "binary_version": "2.7-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59676.json"

Ubuntu:20.04:LTS / selinux-python

Package

Name
selinux-python
Purl
pkg:deb/ubuntu/selinux-python?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*
2.9-2
3.*
3.0-1
3.0-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "policycoreutils-gui",
            "binary_version": "3.0-1build1"
        },
        {
            "binary_name": "policycoreutils-python-utils",
            "binary_version": "3.0-1build1"
        },
        {
            "binary_name": "policycoreutils-sandbox",
            "binary_version": "3.0-1build1"
        },
        {
            "binary_name": "python3-sepolgen",
            "binary_version": "3.0-1build1"
        },
        {
            "binary_name": "python3-sepolicy",
            "binary_version": "3.0-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59676.json"

Ubuntu:22.04:LTS / selinux-python

Package

Name
selinux-python
Purl
pkg:deb/ubuntu/selinux-python?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*
3.1-1build1
3.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "policycoreutils-gui",
            "binary_version": "3.3-1"
        },
        {
            "binary_name": "policycoreutils-python-utils",
            "binary_version": "3.3-1"
        },
        {
            "binary_name": "policycoreutils-sandbox",
            "binary_version": "3.3-1"
        },
        {
            "binary_name": "python3-sepolgen",
            "binary_version": "3.3-1"
        },
        {
            "binary_name": "python3-sepolicy",
            "binary_version": "3.3-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59676.json"

Ubuntu:24.04:LTS / selinux-python

Package

Name
selinux-python
Purl
pkg:deb/ubuntu/selinux-python?arch=source&distro=noble

Affected ranges

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

Affected versions

3.*
3.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "policycoreutils-gui",
            "binary_version": "3.5-1"
        },
        {
            "binary_name": "policycoreutils-python-utils",
            "binary_version": "3.5-1"
        },
        {
            "binary_name": "policycoreutils-sandbox",
            "binary_version": "3.5-1"
        },
        {
            "binary_name": "python3-sepolgen",
            "binary_version": "3.5-1"
        },
        {
            "binary_name": "python3-sepolicy",
            "binary_version": "3.5-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59676.json"