UBUNTU-CVE-2025-67269

Source
https://ubuntu.com/security/CVE-2025-67269
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-67269
Upstream
Downstream
Related
Published
2026-01-02T16:17:00Z
Modified
2026-02-04T03:37:17.589464Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An integer underflow vulnerability exists in the nextstate() function in gpsd/packet.c of gpsd versions prior to commit ffa1d6f40bca0b035fc7f5e563160ebb67199da7. When parsing a NAVCOM packet, the payload length is calculated using lexer->length = (size_t)c - 4 without checking if the input byte c is less than 4. This results in an unsigned integer underflow, setting lexer->length to a very large value (near SIZE_MAX). The parser then enters a loop attempting to consume this massive number of bytes, causing 100% CPU utilization and a Denial of Service (DoS) condition.

References

Affected packages

Ubuntu:16.04:LTS
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.15-2build1?arch=source&distro=xenial

Affected ranges

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

Affected versions

3.*
3.11-3
3.15-2
3.15-2build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "libgps22",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "libqgpsmm22",
            "binary_version": "3.15-2build1"
        },
        {
            "binary_name": "python-gps",
            "binary_version": "3.15-2build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"
Ubuntu:18.04:LTS
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.17-5?arch=source&distro=bionic

Affected ranges

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

Affected versions

3.*
3.16-4
3.17-3
3.17-5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "libgps23",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "libqgpsmm23",
            "binary_version": "3.17-5"
        },
        {
            "binary_name": "python-gps",
            "binary_version": "3.17-5"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"
Ubuntu:20.04:LTS
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.20-8ubuntu0.4?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*
3.17-7
3.19-3
3.20-1
3.20-3
3.20-4
3.20-4build1
3.20-5ubuntu1
3.20-6
3.20-8
3.20-8ubuntu0.1
3.20-8ubuntu0.2
3.20-8ubuntu0.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "libgps26",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "libqgpsmm26",
            "binary_version": "3.20-8ubuntu0.4"
        },
        {
            "binary_name": "python3-gps",
            "binary_version": "3.20-8ubuntu0.4"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"
Ubuntu:22.04:LTS
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.22-4ubuntu2.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.22-4ubuntu2.1

Affected versions

3.*
3.22-4
3.22-4ubuntu1
3.22-4ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "gpsd-tools",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "libgps28",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "libqgpsmm28",
            "binary_version": "3.22-4ubuntu2.1"
        },
        {
            "binary_name": "python3-gps",
            "binary_version": "3.22-4ubuntu2.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"
Ubuntu:24.04:LTS
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.25-3ubuntu3.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.25-3ubuntu3.2

Affected versions

3.*
3.25-2ubuntu2
3.25-3ubuntu2
3.25-3ubuntu3
3.25-3ubuntu3.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "gpsd-tools",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "libgps30t64",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "libqgpsmm30t64",
            "binary_version": "3.25-3ubuntu3.2"
        },
        {
            "binary_name": "python3-gps",
            "binary_version": "3.25-3ubuntu3.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"
Ubuntu:25.10
gpsd

Package

Name
gpsd
Purl
pkg:deb/ubuntu/gpsd@3.25-5ubuntu1.25.10.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.25-5ubuntu1.25.10.1

Affected versions

3.*
3.25-5ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gpsd",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "gpsd-clients",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "gpsd-tools",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "libgps-dev",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "libgps30t64",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "libqgpsmm-dev",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "libqgpsmm30t64",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        },
        {
            "binary_name": "python3-gps",
            "binary_version": "3.25-5ubuntu1.25.10.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-67269.json"