CVE-2026-104039

A flaw in SSSD allows a local user to cause a denial of service (DoS) by disrupting system authentication services. The issue occurs within the Pluggable Authentication Module (PAM) responder when handling GSSAPI authentication . Specifically, the cached connection state is freed upon completion ...

CVE-2026-104039 Sssd: sssd: denial of service via stale connection state reuse in pam gssapi responder

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...