CVE-2026-104030
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-10-05
Modified: 2026-10-28
First seen: 2026-10-29
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.
Weakness Classification (1)
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | sssd | 2.12.0 |
| fedoraproject | sssd | 2.12.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
| redhat | openshift_container_platform | 4.0 |
| redhat | openshift_container_platform | 4.0 |
References & Advisories (2)
Vendor Advisory
Exploit
Issue Tracking
Vendor Advisory