CVE Database›CVE-2014-8121

CVE-2014-8121

glibc: Unexpected closing of nss_files databases after lookups causes denial of service

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Severity

Low

Red Hat Product Security

3.3

CVSS 2.0

Review impact separately from score.

Published · February 23, 2015

Updated · November 21, 2025

Description

It was found that the files back end of Name Service Switch (NSS) did not isolate iteration over an entire database from key-based look-up API calls. An application performing look-ups on a database while iterating over it could enter an infinite loop, leading to a denial of service.

Statement

This issue affects the versions of glibc as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 3.3
AV:A/AC:L/Au:N/C:N/I:N/A:P

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')