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CVE-2026-104038

Sssd: sssd: denial of service via missing sid extension in certificate mapping PUBLISHED

Description (CNA)

A flaw was found in sssd. A remote attacker can cause a denial of service (DoS) by submitting a certificate that lacks an expected Security Identifier (SID) extension. In deployments configured with SID-based certificate mapping rules, the service fails to verify the presence of the extension before processing it, causing the process to crash during authentication or lookup operations.

Affected (CNA)

Vendor / productVersions
Red Hat / Red Hat Enterprise Linux 10affected
Red Hat / Red Hat Enterprise Linux 6unknown
Red Hat / Red Hat Enterprise Linux 7affected
Red Hat / Red Hat Enterprise Linux 8affected
Red Hat / Red Hat Enterprise Linux 9affected
Red Hat / Red Hat OpenShift Container Platform 4affected
Red Hat / Red Hat OpenShift Container Platform 4affected

CWE

CWE-476

References

ADP enrichment

CISA-ADP

No English description supplied.