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Medium severity5.5NVD Advisory· Published Sep 14, 2026· Updated Oct 14, 2026

CVE-2026-90995

CVE-2026-90995

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • Fedoraproject/Sssd
    cpe:2.3:a:fedoraproject:sssd:2.12.0:*:*:*:*:*:*:*
  • Red Hat/Openshift Container Platform
    cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
  • Red Hat/Enterprise Linux Server4 versions
    cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • SSSD/Sssdllm-fuzzy

Patches

Vulnerability mechanics

References

2

News mentions

0

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