USN-8692-1

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Source
https://ubuntu.com/security/notices/USN-8692-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8692-1
Upstream
Related
Published
2026-08-31T10:27:56Z
Modified
2026-08-31T22:26:23Z
Summary
diffutils vulnerability
Details

It was discovered that GNU diffutils incorrectly handled certain integer arithmetic when mapping line ranges in diff3. A local attacker could possibly use this issue to cause diff3 to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:22.04:LTS
diffutils

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.8-0ubuntu2.1

Affected versions

1:3.*
1:3.8-0ubuntu1
1:3.8-0ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.8-0ubuntu2.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:24.04:LTS
diffutils

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.10-1ubuntu0.1

Affected versions

1:3.*
1:3.8-4
1:3.10-1
1:3.10-1build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.10-1ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:26.04:LTS
diffutils

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.12-1ubuntu0.1

Affected versions

1:3.*
1:3.10-4
1:3.12-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.12-1ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:Pro:14.04:LTS
diffutils

Package

Name
diffutils
Purl
pkg:deb/ubuntu/diffutils?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.3-1ubuntu0.1~esm1

Affected versions

1:3.*
1:3.2-8
1:3.3-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.3-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:Pro:16.04:LTS
diffutils

Package

Name
diffutils
Purl
pkg:deb/ubuntu/diffutils?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.3-3ubuntu0.1~esm1

Affected versions

1:3.*
1:3.3-1
1:3.3-2
1:3.3-3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.3-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:Pro:18.04:LTS
diffutils

Package

Name
diffutils
Purl
pkg:deb/ubuntu/diffutils?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.6-1ubuntu0.1~esm1

Affected versions

1:3.*
1:3.6-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.6-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"
Ubuntu:Pro:20.04:LTS
diffutils

Package

Name
diffutils
Purl
pkg:deb/ubuntu/diffutils?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:3.7-3ubuntu0.1~esm1

Affected versions

1:3.*
1:3.7-3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "diffutils",
            "binary_version": "1:3.7-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-53910",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8692-1.json"