What is CVE-2026-104045?

CVE-2026-104045 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 4.7/10. Published 2026-10-06.

How severe is CVE-2026-104045?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-104045

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.

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

access.redhat.com/security/cve/CVE-2026-104045 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-104045?: CVE-2026-104045 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 4.7/10. Published 2026-10-06.
How severe is CVE-2026-104045?: Medium severity. CVSS v3 base score is 4.7 out of 10.