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Vulnerability record · CVE-2026-104045 · published 6 October 2026

CVE-2026-104045: Fedoraproject sssd vulnerability

Fedoraproject · Sssd

A flaw was found in SSSD. A local user can trigger a Denial of Service (DoS) by exploiting a race condition in the autofs responder between asynchronous enumeration completion and map invalidation. By repeatedly sending concurrent map enumeration and invalidation requests, an attacker can cause memory to leak, leading to excessive memory consumption that can disrupt or crash the autofs service.

4.7 CVSS 3.1 Medium EPSS 0.13% · top 97.8% CWE-772 · CWE-772
4.7CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
3References, 2 tagged exploit
5 Nov 2026Last modified by NVD

Description

A flaw was found in SSSD. A local user can trigger a Denial of Service (DoS) by exploiting a race condition in the autofs responder between asynchronous enumeration completion and map invalidation. By repeatedly sending concurrent map enumeration and invalidation requests, an attacker can cause memory to leak, leading to excessive memory consumption that can disrupt or crash the autofs service.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-104045 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2478663 ExploitIssue TrackingMitigationVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2478663 ExploitIssue TrackingMitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-104045), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.