UBUNTU-CVE-2026-93337

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Source
https://ubuntu.com/security/CVE-2026-93337
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-93337
Upstream
Published
2026-09-17T20:19:00Z
Modified
2026-10-01T00:22:40Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.5 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

NetworkManager-l2tp through 1.52.4, fixed in 1.52.6, contains an improper input validation vulnerability that allows local users with VPN connection creation permissions to inject arbitrary pppd directives by supplying mru or mtu property values containing trailing non-numeric content after a valid integer. Attackers can exploit the verbatim write of unvalidated strings into the pppd options file via write_config_option() to inject the plugin directive, causing the privileged pppd process to load an attacker-controlled shared object and achieve arbitrary code execution as root.

References

Affected packages

Ubuntu:18.04:LTS / network-manager-l2tp

Package

Name
network-manager-l2tp
Purl
pkg:deb/ubuntu/network-manager-l2tp?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.2.8-1
1.2.8-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "network-manager-l2tp",
            "binary_version": "1.2.8-2build1"
        },
        {
            "binary_name": "network-manager-l2tp-gnome",
            "binary_version": "1.2.8-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json"

Ubuntu:20.04:LTS / network-manager-l2tp

Package

Name
network-manager-l2tp
Purl
pkg:deb/ubuntu/network-manager-l2tp?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*
1.2.10-1
1.2.14-1
1.2.16-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "network-manager-l2tp",
            "binary_version": "1.2.16-1"
        },
        {
            "binary_name": "network-manager-l2tp-gnome",
            "binary_version": "1.2.16-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json"

Ubuntu:22.04:LTS / network-manager-l2tp

Package

Name
network-manager-l2tp
Purl
pkg:deb/ubuntu/network-manager-l2tp?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*
1.2.18-1build1
1.20.0-1
1.20.0-1build1
1.20.0-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "network-manager-l2tp",
            "binary_version": "1.20.0-1build2"
        },
        {
            "binary_name": "network-manager-l2tp-gnome",
            "binary_version": "1.20.0-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json"

Ubuntu:24.04:LTS / network-manager-l2tp

Package

Name
network-manager-l2tp
Purl
pkg:deb/ubuntu/network-manager-l2tp?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.20.8-1
1.20.10-1
1.20.12-1
1.20.12-1build1
1.20.12-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "network-manager-l2tp",
            "binary_version": "1.20.12-1build2"
        },
        {
            "binary_name": "network-manager-l2tp-gnome",
            "binary_version": "1.20.12-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json"

Ubuntu:26.04:LTS / network-manager-l2tp

Package

Name
network-manager-l2tp
Purl
pkg:deb/ubuntu/network-manager-l2tp?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.20.20-2
1.52.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "network-manager-l2tp",
            "binary_version": "1.52.0-2"
        },
        {
            "binary_name": "network-manager-l2tp-gnome",
            "binary_version": "1.52.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93337.json"