CVE-2026-90995
A flaw was found in SSSD (System Security Services Daemon). A local attacker with privileges to connect to the PAM (Pluggable Authentication
CVSS
5.5
Medio
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 14 sept 2026 · Última mod.: 14 sept 2026 · CWE-476
Sin historial EPSS suficiente todavía.
A flaw was found in SSSD (System Security Services Daemon). A local attacker with privileges to connect to the PAM (Pluggable Authentication Modules) responder socket can send a specially crafted protocol request. If the `pam_app_services` configuration is enabled and the service item is omitted from the request, a NULL pointer dereference can occur. This vulnerability leads to a denial of service, causing the PAM responder to crash and disrupt authentication services.