CVE-2026-90996 [MEDIUM] – A flaw was found in sssd. A local unprivileged user could send a specially crafted request

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services (NSS) responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affects the availability of the system responder.