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Vulnerability record · CVE-2014-9402 · published 24 February 2015

CVE-2014-9402: Gnu glibc vulnerability

Gnu · Glibc

The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.

7.8 CVSS 2.0 High EPSS 7.8% · top 5.5% CWE-399 · CWE-399
7.8CVSS 2.0 base score
7.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentia
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.openwall.com/lists/oss-security/2014/12/18/1
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.securityfocus.com/bid/71670
http://www.ubuntu.com/usn/USN-2519-1
https://access.redhat.com/errata/RHSA-2018:0805
https://seclists.org/bugtraq/2019/Jun/14
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201602-02
https://sourceware.org/bugzilla/show_bug.cgi?id=17630 Exploit
http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentia
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.openwall.com/lists/oss-security/2014/12/18/1
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.securityfocus.com/bid/71670
http://www.ubuntu.com/usn/USN-2519-1
https://access.redhat.com/errata/RHSA-2018:0805
https://seclists.org/bugtraq/2019/Jun/14
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201602-02
https://sourceware.org/bugzilla/show_bug.cgi?id=17630 Exploit

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Source: NIST National Vulnerability Database (record CVE-2014-9402), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.