USN-9008-1

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Source
https://ubuntu.com/security/notices/USN-9008-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9008-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-9008-1
Upstream
Related
Published
2026-11-09T13:29:36Z
Modified
2026-11-10T02:58:35Z
Summary
libnfs vulnerability
Details

It was discovered that libnfs did not properly enforce the maximum size bound during ZDR decoding, resulting in an out-of-bounds write. An attacker could possibly use this issue to cause libnfs to crash, resulting in a denial of service, or execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS / libnfs

Package

Name
libnfs
Purl
pkg:deb/ubuntu/libnfs?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.0.0-1ubuntu0.2

Affected versions

4.*
4.0.0-1
4.0.0-1build1
4.0.0-1build2
4.0.0-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnfs-utils",
            "binary_version": "4.0.0-1ubuntu0.2"
        },
        {
            "binary_name": "libnfs13",
            "binary_version": "4.0.0-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-108985",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9008-1.json"

Ubuntu:24.04:LTS / libnfs

Package

Name
libnfs
Purl
pkg:deb/ubuntu/libnfs?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.0.2-1ubuntu0.24.04.2

Affected versions

4.*
4.0.0-1build2
5.*
5.0.2-1
5.0.2-1build1
5.0.2-1ubuntu0.24.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnfs-utils",
            "binary_version": "5.0.2-1ubuntu0.24.04.2"
        },
        {
            "binary_name": "libnfs14",
            "binary_version": "5.0.2-1ubuntu0.24.04.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-108985",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9008-1.json"

Ubuntu:26.10 / libnfs

Package

Name
libnfs
Purl
pkg:deb/ubuntu/libnfs?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.0.2-1ubuntu3.1

Affected versions

5.*
5.0.2-1ubuntu1
5.0.2-1ubuntu2
5.0.2-1ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnfs-utils",
            "binary_version": "5.0.2-1ubuntu3.1"
        },
        {
            "binary_name": "libnfs14",
            "binary_version": "5.0.2-1ubuntu3.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-108985",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9008-1.json"

Ubuntu:26.04:LTS / libnfs

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.0.2-1ubuntu1.2

Affected versions

5.*
5.0.2-1build1
5.0.2-1build2
5.0.2-1ubuntu1
5.0.2-1ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnfs-utils",
            "binary_version": "5.0.2-1ubuntu1.2"
        },
        {
            "binary_name": "libnfs14",
            "binary_version": "5.0.2-1ubuntu1.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-108985",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9008-1.json"