PT-2026-106173 · Red Hat · Red Hat Enterprise Linux 10+5

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CVE-2026-104030

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Published

2026-10-05

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Updated

2026-10-05

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.

Fix

Out of bounds Read

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Weakness Enumeration

Related Identifiers

CVE-2026-104030

Affected Products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Openshift Container Platform 4