CLSA-2026-1792405584 sssd: Fix of 3 CVEs

CVE-2026-90462: deny access and cache the deny decision when the LDAP ppolicy access check lookup returns zero results, fixing a fail-open that let deleted or deprovisioned users keep passing access checks - CVE-2026-90996: reject header-only requests with an empty body in the NSS responder...

CLSA-2026-1791809045 sssd: Fix of 2 CVEs

CVE-2026-90462: deny access in sdapaccessppolicystepdone when the LDAP ppolicy user search returns zero entries, instead of returning success and caching an allow decision - CVE-2026-90996: reject an empty request body in the NSS responder request parsers before bodyblen - 1 is read...

Rocky Linux 9.6 [TuxCare] Security Update: libipa_hbac / libipa_hbac-devel / libsss_autofs / libsss_certmap / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791809045)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791809045 advisory. - A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a...

SUSE CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

DEBIAN-CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

UBUNTU-CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and "ldapaccessorder" including "ppolicy" or "lockout", a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462 Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

EUVD-2026-84537

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462 Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462

A flaw in SSSD occurs when using the LDAP access provider with ldap_access_order containing ppolicy or lockout. A fail-open condition exists in the LDAP ppolicy access check if a user lookup returns zero results, which can incorrectly return success and cache an allow decision. This allows a remo...

CVE-2026-90462 Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

CVE-2026-90462

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

PT-2026-96814

Name of the Vulnerable Software and Affected Versions SSSD affected versions not specified Description A flaw exists when the software is configured with the LDAP access provider and the ldap access order variable includes ppolicy or lockout. A fail-open condition occurs during the LDAP ppolicy...

CVE-2026-90462: Improper Handling of Insufficient Permissions or Privileges

A flaw was found in SSSD. When configured with the LDAP access provider and ldapaccessorder including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision,...

SUSE CVE-2011-1024

chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicyforwardupdates aka authentication-failure forwarding is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a sla...

OracleVM 3.2 : openldap (OVMSA-2016-0069)

The remote OracleVM system is missing necessary patches to address critical security updates : - CVE-2015-6908 openldap: bergetnext denial of service vulnerability 1263170 - fix: syncprov psearch race condition 999811 - fix: CVE-2013-4449 segfault on certain queries with rwm overlay 1064146 - fix...

OracleVM 3.3 : openldap (OVMSA-2015-0123)

The remote OracleVM system is missing necessary patches to address critical security updates : - CVE-2015-6908 openldap: bergetnext denial of service vulnerability 1263171 - fix: nslcd segfaults due to incorrect mutex initialization 1144294 - fix: Updating openldap deletes database if slapd.conf ...

openldap: forwarded bind failure messages cause success

chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicyforwardupdates aka authentication-failure forwarding is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a sla...