UBUNTU-CVE-2026-44029

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Source
https://ubuntu.com/security/CVE-2026-44029
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44029.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-44029
Upstream
  • CVE-2026-44029
Published
2026-05-05T01:16:00Z
Modified
2026-05-20T16:26:04.086309175Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);

References

Affected packages

Ubuntu:Pro:22.04:LTS / nix

Package

Name
nix
Purl
pkg:deb/ubuntu/nix?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

2.*
2.3.10+dfsg1-1
2.3.10+dfsg1-1build1
2.6.0+dfsg-2
2.6.0+dfsg-3
2.6.0+dfsg-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.6.0+dfsg-3ubuntu0.1~esm1",
            "binary_name": "nix-bin"
        },
        {
            "binary_version": "2.6.0+dfsg-3ubuntu0.1~esm1",
            "binary_name": "nix-setup-systemd"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44029.json"

Ubuntu:Pro:24.04:LTS / nix

Package

Name
nix
Purl
pkg:deb/ubuntu/nix?arch=source&distro=esm-apps%2Fnoble

Affected ranges

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

Affected versions

2.*
2.16.1+dfsg-3ubuntu1
2.18.1+dfsg-1ubuntu1
2.18.1+dfsg-1ubuntu2
2.18.1+dfsg-1ubuntu4
2.18.1+dfsg-1ubuntu5
2.18.1+dfsg-1ubuntu5+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.18.1+dfsg-1ubuntu5+esm2",
            "binary_name": "nix-bin"
        },
        {
            "binary_version": "2.18.1+dfsg-1ubuntu5+esm2",
            "binary_name": "nix-setup-systemd"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44029.json"

Ubuntu:25.10 / nix

Package

Name
nix
Purl
pkg:deb/ubuntu/nix?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*
2.24.9+dfsg-2ubuntu2
2.26.3+dfsg-1ubuntu1
2.26.3+dfsg-1ubuntu2
2.26.3+dfsg-1ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.26.3+dfsg-1ubuntu4",
            "binary_name": "nix-bin"
        },
        {
            "binary_version": "2.26.3+dfsg-1ubuntu4",
            "binary_name": "nix-setup-systemd"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44029.json"

Ubuntu:26.04:LTS / nix

Package

Name
nix
Purl
pkg:deb/ubuntu/nix?arch=source&distro=resolute

Affected ranges

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

Affected versions

2.*
2.26.3+dfsg-1ubuntu4
2.26.3+dfsg-1ubuntu5
2.32.5+dfsg-1ubuntu3
2.32.5+dfsg-2ubuntu1
2.34.3+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.34.3+dfsg-1",
            "binary_name": "nix-bin"
        },
        {
            "binary_version": "2.34.3+dfsg-1",
            "binary_name": "nix-setup-systemd"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44029.json"