USN-8672-1

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Source
https://ubuntu.com/security/notices/USN-8672-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8672-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8672-1
Upstream
Related
Published
2026-08-25T02:30:55Z
Modified
2026-09-02T07:56:20Z
Summary
sssd vulnerability
Details

It was discovered that the SSSD PAM responder may crash if a physically proximate attacker manipulates a smartcard or Yubikey. Non-malicious physically proximate users may not be able to log in depending upon the details of their legitimate smartcard or Yubikey.

References

Affected packages

Ubuntu:22.04:LTS / sssd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.6.3-1ubuntu3.8

Affected versions

2.*
2.4.1-2ubuntu4
2.5.2-4ubuntu1
2.5.2-4ubuntu3
2.5.2-4ubuntu4
2.6.1-1ubuntu3
2.6.3-1ubuntu3
2.6.3-1ubuntu3.1
2.6.3-1ubuntu3.2
2.6.3-1ubuntu3.3
2.6.3-1ubuntu3.4
2.6.3-1ubuntu3.5
2.6.3-1ubuntu3.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libipa-hbac0",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libsss-certmap0",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libsss-simpleifp0",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-kcm",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "2.6.3-1ubuntu3.8"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "2.6.3-1ubuntu3.8"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-12610",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/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-8672-1.json"

Ubuntu:24.04:LTS / sssd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.4-1.1ubuntu6.7

Affected versions

2.*
2.9.1-2ubuntu2
2.9.1-2ubuntu3
2.9.2-1ubuntu2
2.9.4-1ubuntu1
2.9.4-1.1ubuntu3
2.9.4-1.1ubuntu5
2.9.4-1.1ubuntu6
2.9.4-1.1ubuntu6.1
2.9.4-1.1ubuntu6.2
2.9.4-1.1ubuntu6.3
2.9.4-1.1ubuntu6.4
2.9.4-1.1ubuntu6.5
2.9.4-1.1ubuntu6.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libipa-hbac0t64",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libsss-certmap0",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-idp",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-kcm",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-passkey",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "2.9.4-1.1ubuntu6.7"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-12610",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/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-8672-1.json"

Ubuntu:26.04:LTS / sssd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.12.0-1ubuntu5.3

Affected versions

2.*
2.10.1-2ubuntu5
2.10.1-2ubuntu7
2.12.0-1ubuntu3
2.12.0-1ubuntu4
2.12.0-1ubuntu5
2.12.0-1ubuntu5.1
2.12.0-1ubuntu5.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libipa-hbac0t64",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libsss-certmap0",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-idp",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-kcm",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-passkey",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "2.12.0-1ubuntu5.3"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "2.12.0-1ubuntu5.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-12610",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/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-8672-1.json"