ubuntu-cve-2026-12610
Vulnerability from osv_ubuntu
Published
2026-06-30 10:16
Modified
2026-07-08 20:52
Summary
Details
A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that disrupts authentication. This vulnerability also presents a potential for privilege escalation, although it is difficult to exploit.
Severity
6.4 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libnss-sss",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libpam-sss",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libsss-simpleifp0",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libsss-sudo",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "libwbclient-sssd",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python-libipa-hbac",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python-libsss-nss-idmap",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python-sss",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "python3-sss",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-ad",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-common",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-dbus",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-ipa",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-krb5",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-ldap",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-proxy",
"binary_version": "1.13.4-1ubuntu1.15"
},
{
"binary_name": "sssd-tools",
"binary_version": "1.13.4-1ubuntu1.15"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@1.13.4-1ubuntu1.15?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.12.5-2",
"1.13.1-2",
"1.13.2-1",
"1.13.3-1",
"1.13.4-1",
"1.13.4-1ubuntu1",
"1.13.4-1ubuntu1.1",
"1.13.4-1ubuntu1.2",
"1.13.4-1ubuntu1.5",
"1.13.4-1ubuntu1.6",
"1.13.4-1ubuntu1.7",
"1.13.4-1ubuntu1.8",
"1.13.4-1ubuntu1.9",
"1.13.4-1ubuntu1.10",
"1.13.4-1ubuntu1.11",
"1.13.4-1ubuntu1.12",
"1.13.4-1ubuntu1.13",
"1.13.4-1ubuntu1.14",
"1.13.4-1ubuntu1.15"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libnss-sss",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libpam-sss",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libsss-simpleifp0",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libsss-sudo",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "libwbclient-sssd",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python-libipa-hbac",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python-libsss-nss-idmap",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python-sss",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "python3-sss",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-ad",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-common",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-dbus",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-ipa",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-kcm",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-krb5",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-ldap",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-proxy",
"binary_version": "1.16.1-1ubuntu1.8"
},
{
"binary_name": "sssd-tools",
"binary_version": "1.16.1-1ubuntu1.8"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@1.16.1-1ubuntu1.8?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.15.3-2ubuntu1",
"1.15.3-3ubuntu1",
"1.16.0-5ubuntu1",
"1.16.0-5ubuntu2",
"1.16.1-1ubuntu1",
"1.16.1-1ubuntu1.1",
"1.16.1-1ubuntu1.2",
"1.16.1-1ubuntu1.3",
"1.16.1-1ubuntu1.4",
"1.16.1-1ubuntu1.5",
"1.16.1-1ubuntu1.6",
"1.16.1-1ubuntu1.7",
"1.16.1-1ubuntu1.8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libnss-sss",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libpam-sss",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libsss-simpleifp0",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libsss-sudo",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "libwbclient-sssd",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "python3-sss",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-ad",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-common",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-dbus",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-ipa",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-kcm",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-krb5",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-ldap",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-proxy",
"binary_version": "2.2.3-3ubuntu0.13"
},
{
"binary_name": "sssd-tools",
"binary_version": "2.2.3-3ubuntu0.13"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.2.3-3ubuntu0.13?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.0-4ubuntu1",
"2.2.2-1",
"2.2.2-1ubuntu1",
"2.2.3-1.1ubuntu1",
"2.2.3-2",
"2.2.3-3",
"2.2.3-3ubuntu0.1",
"2.2.3-3ubuntu0.2",
"2.2.3-3ubuntu0.3",
"2.2.3-3ubuntu0.4",
"2.2.3-3ubuntu0.6",
"2.2.3-3ubuntu0.7",
"2.2.3-3ubuntu0.8",
"2.2.3-3ubuntu0.9",
"2.2.3-3ubuntu0.10",
"2.2.3-3ubuntu0.11",
"2.2.3-3ubuntu0.12",
"2.2.3-3ubuntu0.13"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libnss-sss",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libpam-sss",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libsss-simpleifp0",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "libsss-sudo",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "python3-sss",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-ad",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-common",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-dbus",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-ipa",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-kcm",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-krb5",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-ldap",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-proxy",
"binary_version": "2.6.3-1ubuntu3.6"
},
{
"binary_name": "sssd-tools",
"binary_version": "2.6.3-1ubuntu3.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.6.3-1ubuntu3.6?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"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"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0t64",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libnss-sss",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libpam-sss",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "libsss-sudo",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "python3-sss",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-ad",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-common",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-dbus",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-idp",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-ipa",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-kcm",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-krb5",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-ldap",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-passkey",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-proxy",
"binary_version": "2.9.4-1.1ubuntu6.6"
},
{
"binary_name": "sssd-tools",
"binary_version": "2.9.4-1.1ubuntu6.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.9.4-1.1ubuntu6.6?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"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"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0t64",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libnss-sss",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libpam-sss",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "libsss-sudo",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "python3-sss",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-ad",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-common",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-dbus",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-idp",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-ipa",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-kcm",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-krb5",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-ldap",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-passkey",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-proxy",
"binary_version": "2.10.1-2ubuntu5.3"
},
{
"binary_name": "sssd-tools",
"binary_version": "2.10.1-2ubuntu5.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.10.1-2ubuntu5.3?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.10.1-2ubuntu4",
"2.10.1-2ubuntu5",
"2.10.1-2ubuntu5.1",
"2.10.1-2ubuntu5.2",
"2.10.1-2ubuntu5.3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libipa-hbac0t64",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libnss-sss",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libpam-sss",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libsss-certmap0",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libsss-idmap0",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libsss-nss-idmap0",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "libsss-sudo",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "python3-libipa-hbac",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "python3-libsss-nss-idmap",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "python3-sss",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-ad",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-ad-common",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-common",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-dbus",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-idp",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-ipa",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-kcm",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-krb5",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-krb5-common",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-ldap",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-passkey",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-proxy",
"binary_version": "2.12.0-1ubuntu5.1"
},
{
"binary_name": "sssd-tools",
"binary_version": "2.12.0-1ubuntu5.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "sssd",
"purl": "pkg:deb/ubuntu/sssd@2.12.0-1ubuntu5.1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"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"
]
}
],
"aliases": [],
"details": "A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that disrupts authentication. This vulnerability also presents a potential for privilege escalation, although it is difficult to exploit.",
"id": "UBUNTU-CVE-2026-12610",
"modified": "2026-07-08T20:52:58Z",
"published": "2026-06-30T10:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-12610"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12610"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-12610"
}
],
"related": [],
"schema_version": "1.7.0",
"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"
}
],
"upstream": [
"CVE-2026-12610"
]
}
Loading…
Loading…
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.
Loading…
Loading…