Allocation of Resources Without Limits or Throttling Affecting sssd package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.1% (1st percentile)

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  • Snyk IDSNYK-ECHOLATEST-SSSD-20536883
  • published6 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-104041  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest sssd.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sssd package and not the sssd package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A flaw was found in SSSD. An unprivileged local user can repeatedly request lookups for nonexistent entries through the Name Service Switch (NSS) responder. Because the negative cache does not limit the total number of stored entries and only removes expired records when an existing key is rechecked, the cache can grow without bound. This behavior can lead to memory exhaustion, resulting in a Denial of Service (DoS) as the responder becomes unresponsive or terminates.

CVSS Base Scores

version 3.1