CVE-2026-104030

Published: Oct 5, 2026Modified: Oct 6, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: secalert@redhat.com (Secondary)

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.

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (2)

https://access.redhat.com/security/cve/CVE-2026-104030

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2479429

Source: secalert@redhat.com

Timeline

No history available yet.