usn-8672-1
Vulnerability from osv_ubuntu
Published
2026-08-25 02:30
Modified
2026-08-25 02:30
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
| URL | Type | |
|---|---|---|
{
"affected": [
{
"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"
}
},
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.6.3-1ubuntu3.8?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.3-1ubuntu3.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
},
{
"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"
}
},
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.9.4-1.1ubuntu6.7?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.9.4-1.1ubuntu6.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
},
{
"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"
}
},
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.12.0-1ubuntu5.3?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12.0-1ubuntu5.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
}
],
"aliases": [],
"details": "It was discovered that the SSSD PAM responder may crash if a physically\nproximate attacker manipulates a smartcard or Yubikey. Non-malicious\nphysically proximate users may not be able to log in depending upon the\ndetails of their legitimate smartcard or Yubikey.",
"id": "USN-8672-1",
"modified": "2026-08-25T02:30:55Z",
"published": "2026-08-25T02:30:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8672-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-12610"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "sssd vulnerability",
"upstream": [
"UBUNTU-CVE-2026-12610"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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