High severity8.1NVD Advisory· Published Feb 18, 2016· Updated Jun 17, 2026

CVE-2015-7547

Description

Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

GNU/Glibc22 versions
cpe:2.3:a:gnu:glibc:2.10:*:*:*:*:*:*:*+ 21 more
- cpe:2.3:a:gnu:glibc:2.10:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.11:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.11.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.11.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.12:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.12.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.14:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.15:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.16:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.17:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.18:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.19:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.20:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.21:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.22:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:glibc:2.9:*:*:*:*:*:*:*
- (no CPE)range: <2.23
Microfocus/Helion Openstack3 versions
cpe:2.3:a:hp:helion_openstack:1.1.1:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:hp:helion_openstack:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.1.0:*:*:*:*:*:*:*
Microfocus/Server Migration Pack
cpe:2.3:a:hp:server_migration_pack:7.5:*:*:*:*:*:*:*
Oracle Corporation/Exalogic Infrastructure2 versions
cpe:2.3:a:oracle:exalogic_infrastructure:1.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:oracle:exalogic_infrastructure:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:exalogic_infrastructure:2.0:*:*:*:*:*:*:*
Sophos/Unified Threat Management Software2 versions
cpe:2.3:a:sophos:unified_threat_management_software:9.319:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:sophos:unified_threat_management_software:9.319:*:*:*:*:*:*:*
- cpe:2.3:a:sophos:unified_threat_management_software:9.355:*:*:*:*:*:*:*
SUSE S.A./Linux Enterprise Debuginfo3 versions
cpe:2.3:a:suse:linux_enterprise_debuginfo:11.0:sp2:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:suse:linux_enterprise_debuginfo:11.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:suse:linux_enterprise_debuginfo:11.0:sp3:*:*:*:*:*:*
- cpe:2.3:a:suse:linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:*
Canonical/Ubuntu Linux3 versions
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
Debian/linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
OpenSUSE/openSUSE
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Oracle Corporation/Fujitsu M10 Firmware
cpe:2.3:o:oracle:fujitsu_m10_firmware:*:*:*:*:*:*:*:*
Range: <=2290
Red Hat/Enterprise Linux Desktop
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Hpc Node
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Hpc Node Eus
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server Aus
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Eus
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Workstation
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
SUSE S.A./Linux Enterprise Desktop4 versions
cpe:2.3:o:suse:linux_enterprise_desktop:11.0:sp3:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:suse:linux_enterprise_desktop:11.0:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11.0:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:12:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
SUSE S.A./Linux Enterprise Server6 versions
cpe:2.3:o:suse:linux_enterprise_server:11.0:sp2:*:*:lts:*:*:*+ 5 more
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp2:*:*:lts:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp3:*:*:*:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
SUSE S.A./Linux Enterprise Software Development Kit4 versions
cpe:2.3:o:suse:linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:*
osv-coords21 versions
pkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweed pkg:rpm/suse/certification-sles-eal4&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/certification-sles-eal4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP3 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP3 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP3 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 2.24-2.3+ 20 more
- (no CPE)range: < 2.24-2.3
- (no CPE)range: < 12.0-0.16.1
- (no CPE)range: < 12.0-0.16.1
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.19-22.13.1
- (no CPE)range: < 2.19-35.1
- (no CPE)range: < 2.11.3-17.45.66.1
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.19-22.13.1
- (no CPE)range: < 2.19-35.1
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.19-22.13.1
- (no CPE)range: < 2.19-35.1
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.11.3-17.95.2
- (no CPE)range: < 2.19-22.13.1
- (no CPE)range: < 2.19-35.1

Patches

Vulnerability mechanics

References

www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.htmlnvdPatchThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00043.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2016-02/msg00044.htmlnvdThird Party Advisory
rhn.redhat.com/errata/RHSA-2016-0176.htmlnvdThird Party Advisory
ubuntu.com/usn/usn-2900-1nvdThird Party Advisory
www.debian.org/security/2016/dsa-3481nvdThird Party Advisory
access.redhat.com/articles/2161461nvdThird Party Advisory
blogs.sophos.com/2016/02/24/utm-up2date-9-355-released/nvdThird Party Advisory
blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/nvdThird Party Advisory
bto.bluecoat.com/security-advisory/sa114nvdThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
h20566.www2.hpe.com/hpsc/doc/public/displaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvdThird Party Advisory
kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40161nvdThird Party Advisory
kc.mcafee.com/corporate/indexnvdThird Party Advisory
security.gentoo.org/glsa/201602-02nvdThird Party Advisory
support.f5.com/kb/en-us/solutions/public/k/47/sol47098834.htmlnvdThird Party Advisory
sourceware.org/bugzilla/show_bug.cginvdIssue Tracking
fortiguard.com/advisory/glibc-getaddrinfo-stack-overflownvd
lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.htmlnvd
lists.fedoraproject.org/pipermail/package-announce/2016-February/177412.htmlnvd
marc.infonvd
marc.infonvd
marc.infonvd
marc.infonvd
marc.infonvd
packetstormsecurity.com/files/135802/glibc-getaddrinfo-Stack-Based-Buffer-Overflow.htmlnvd
packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlnvd
packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.htmlnvd
packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.htmlnvd
rhn.redhat.com/errata/RHSA-2016-0175.htmlnvd
rhn.redhat.com/errata/RHSA-2016-0225.htmlnvd
rhn.redhat.com/errata/RHSA-2016-0277.htmlnvd
seclists.org/fulldisclosure/2019/Sep/7nvd
seclists.org/fulldisclosure/2021/Sep/0nvd
seclists.org/fulldisclosure/2022/Jun/36nvd
support.citrix.com/article/CTX206991nvd
www.debian.org/security/2016/dsa-3480nvd
www.fortiguard.com/advisory/glibc-getaddrinfo-stack-overflownvd
www.huawei.com/en/psirt/security-advisories/huawei-sa-20160304-01-glibc-ennvd
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvd
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlnvd
www.securityfocus.com/bid/83265nvd
www.securitytracker.com/id/1035020nvd
www.vmware.com/security/advisories/VMSA-2016-0002.htmlnvd
googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.htmlnvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixesnvd
ics-cert.us-cert.gov/advisories/ICSA-16-103-01nvd
seclists.org/bugtraq/2019/Sep/7nvd
security.netapp.com/advisory/ntap-20160217-0002/nvd
support.lenovo.com/us/en/product_security/len_5450nvd
www.arista.com/en/support/advisories-notices/security-advisories/1255-security-advisory-17nvd
www.exploit-db.com/exploits/39454/nvd
www.exploit-db.com/exploits/40339/nvd
www.kb.cert.org/vuls/id/457759nvd
www.tenable.com/security/research/tra-2017-08nvd

News mentions

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cvss	0.526
epss	0.072
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000