EUVD-2026-92893

A flaw was found in SSSD's NFS idmap plugin. When retrieving cached user or group names, the plugin detects if an entry exceeds the destination buffer size but fails to abort before copying data. A local attacker can trigger this vulnerability by requesting identity lookups that resolve to...

CVE-2026-104036 Sssd: sssd: denial of service via out-of-bounds write in nfs idmap plugin

A flaw was found in SSSD's NFS idmap plugin. When retrieving cached user or group names, the plugin detects if an entry exceeds the destination buffer size but fails to abort before copying data. A local attacker can trigger this vulnerability by requesting identity lookups that resolve to...

CVE-2026-104035

A flaw was found in SSSD. An issue in the Kerberos Credential Manager KCM responder allows a local user to cause a Denial of Service DoS by maintaining a persistent connection and repeatedly storing and destroying credentials. Because the service fails to release cached objects from memory when...

CVE-2026-104035 Sssd: sssd: denial of service via memory exhaustion in kcm responder

A flaw was found in SSSD. An issue in the Kerberos Credential Manager KCM responder allows a local user to cause a Denial of Service DoS by maintaining a persistent connection and repeatedly storing and destroying credentials. Because the service fails to release cached objects from memory when...

CVE-2026-104035

A flaw in the SSSD (System Security Services Daemon) within the Kerberos Credential Manager (KCM) responder allows for a Denial of Service (DoS) . A local user can trigger this by maintaining a persistent connection and repeatedly storing and destroying credentials. The root cause is that the ser...

EUVD-2026-92892

A flaw was found in SSSD. An issue in the Kerberos Credential Manager KCM responder allows a local user to cause a Denial of Service DoS by maintaining a persistent connection and repeatedly storing and destroying credentials. Because the service fails to release cached objects from memory when...

CVE-2026-104035 Sssd: sssd: denial of service via memory exhaustion in kcm responder

A flaw was found in SSSD. An issue in the Kerberos Credential Manager KCM responder allows a local user to cause a Denial of Service DoS by maintaining a persistent connection and repeatedly storing and destroying credentials. Because the service fails to release cached objects from memory when...

CVE-2026-104037

A flaw was found in SSSD. A local attacker can exploit this issue by sending a specially crafted request with an invalid packet length to the autofs responder UNIX socket. This causes an integer underflow and an out-of-bounds memory read, which can crash the responder process and result in a deni...

CVE-2026-92821

A flaw was found in SSSD. When configured to evaluate password expiration warnings before restrictive access rules in LDAP Lightweight Directory Access Protocol environments, an expired-password warning terminates rule evaluation early and treats the access request as successful. A remote...

CVE-2026-104034

A use-after-free vulnerability exists in SSSD within the Kerberos Credential Manager (KCM) responder . The flaw occurs during Kerberos ticket-granting ticket (TGT) renewal when a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerbero...

CVE-2026-104034

A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager KCM responder during Kerberos ticket-granting ticket TGT renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos tick...

EUVD-2026-92891

A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager KCM responder during Kerberos ticket-granting ticket TGT renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos tick...

CVE-2026-104034 Sssd: sssd: denial of service via use-after-free in kcm ticket renewal

A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager KCM responder during Kerberos ticket-granting ticket TGT renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos tick...

CVE-2026-104034 Sssd: sssd: denial of service via use-after-free in kcm ticket renewal

A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager KCM responder during Kerberos ticket-granting ticket TGT renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos tick...

CVE-2026-104033

A flaw was found in SSSD. When configured to enforce account expiration using LDAP Lightweight Directory Access Protocol shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass...

CVE-2026-104033 Sssd: sssd: access control bypass via improper ldap shadow expiration check

A flaw was found in SSSD. When configured to enforce account expiration using LDAP Lightweight Directory Access Protocol shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass...

CVE-2026-104033

A vulnerability exists in SSSD where the software fails to correctly treat an LDAP shadow expiration value of zero as an expired account. When configured to enforce account expiration via LDAP, this access control bypass allows a user with valid credentials for a deactivated account to authentica...

CVE-2026-104033 Sssd: sssd: access control bypass via improper ldap shadow expiration check

A flaw was found in SSSD. When configured to enforce account expiration using LDAP Lightweight Directory Access Protocol shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass...

EUVD-2026-92890

A flaw was found in SSSD. When configured to enforce account expiration using LDAP Lightweight Directory Access Protocol shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass...

CVE-2026-104036

A flaw was found in SSSD's NFS idmap plugin. When retrieving cached user or group names, the plugin detects if an entry exceeds the destination buffer size but fails to abort before copying data. A local attacker can trigger this vulnerability by requesting identity lookups that resolve to...