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Vulnerability record · CVE-2014-8121 · published 27 March 2015

CVE-2014-8121: Suse linux enterprise desktop vulnerability

Suse · Suse Linux Enterprise Desktop

DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.

5.0 CVSS 2.0 Medium EPSS 5.6% · top 7.4% CWE-17 · CWE-17
5.0CVSS 2.0 base score
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
20References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List
http://rhn.redhat.com/errata/RHSA-2015-0327.html Third Party Advisory
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory
http://www.securityfocus.com/bid/73038 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1165192 ExploitIssue Tracking
https://security.gentoo.org/glsa/201602-02 Third Party Advisory
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html Exploit
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List
http://rhn.redhat.com/errata/RHSA-2015-0327.html Third Party Advisory
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory
http://www.securityfocus.com/bid/73038 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1165192 ExploitIssue Tracking
https://security.gentoo.org/glsa/201602-02 Third Party Advisory
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html Exploit

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Source: NIST National Vulnerability Database (record CVE-2014-8121), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.