USN-8481-1

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Source
https://ubuntu.com/security/notices/USN-8481-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8481-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8481-1
Upstream
Related
Published
2026-06-29T18:08:00Z
Modified
2026-06-30T03:49:30.555028269Z
Summary
nss vulnerability
Details

Haruto Kimura discovered that NSS had incorrecty handled parsing PKCS#11 URI escape sequences. An attacker could possibly use this issue to cause NSS to crash, resulting in a denial of service, or obtain sensitive information.

References

Affected packages

Ubuntu:22.04:LTS / nss

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.98-0ubuntu0.22.04.4

Affected versions

2:3.*
2:3.68-1ubuntu1
2:3.68-1ubuntu2
2:3.68.2-0ubuntu1
2:3.68.2-0ubuntu1.1
2:3.68.2-0ubuntu1.2
2:3.98-0ubuntu0.22.04.1
2:3.98-0ubuntu0.22.04.2
2:3.98-0ubuntu0.22.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.98-0ubuntu0.22.04.4"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.98-0ubuntu0.22.04.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8481-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-12318",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / nss

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.98-1ubuntu0.2

Affected versions

2:3.*
2:3.92-1
2:3.94-1
2:3.95-1
2:3.96.1-1
2:3.98-1
2:3.98-1build1
2:3.98-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.98-1ubuntu0.2"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.98-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8481-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-12318",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / nss

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.114-1ubuntu0.2

Affected versions

2:3.*
2:3.108-1ubuntu1
2:3.110-1
2:3.111-1
2:3.112-1
2:3.114-1
2:3.114-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.114-1ubuntu0.2"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.114-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8481-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-12318",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:26.04:LTS / nss

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.120-1ubuntu2.1

Affected versions

2:3.*
2:3.114-1
2:3.117-1
2:3.119-1
2:3.120-1
2:3.120-1ubuntu1
2:3.120-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.120-1ubuntu2.1"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.120-1ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8481-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-12318",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}