--- title: "CVE-2015-7547: Multiple stack-based buffer overflows… | CubePath" 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)…" language: en source: https://cubepath.com/security/cve/CVE-2015-7547 --- # CVE-2015-7547: Multiple stack-based buffer overflows… | CubePath ## 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. Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2015-7547) ## Key data ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.92385 (92.4% probability) Percentile 99.8% Scores of Nov 10, 2026 Model v2026.06.15 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [1035020](http://www.securitytracker.com/id/1035020) (securitytracker.com) vdb-entry - [HPSBGN03582](http://marc.info/?l=bugtraq&m=146161017210491&w=2) (marc.info) vendor-advisory - [SUSE-SU-2016:0471](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html) (lists.opensuse.org) vendor-advisory - [RHSA-2016:0175](http://rhn.redhat.com/errata/RHSA-2016-0175.html) (rhn.redhat.com) vendor-advisory - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05140858) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05125672) - [blogs.sophos.com/2016/02/29/utm-up2date-9-319-released](https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/) - [sourceware.org/bugzilla/show\_bug.cgi?id=18665](https://sourceware.org/bugzilla/show%5Fbug.cgi?id=18665) - [HPSBGN03551](http://marc.info/?l=bugtraq&m=145857691004892&w=2) (marc.info) vendor-advisory - [RHSA-2016:0225](http://rhn.redhat.com/errata/RHSA-2016-0225.html) (rhn.redhat.com) vendor-advisory - [FEDORA-2016-0f9e9a34ce](http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177412.html) (lists.fedoraproject.org) vendor-advisory - [kb.pulsesecure.net/articles/Pulse\_Security\_Advisories/SA401…](https://kb.pulsesecure.net/articles/Pulse%5FSecurity%5FAdvisories/SA40161) - [DSA-3481](http://www.debian.org/security/2016/dsa-3481) (debian.org) vendor-advisory - [oracle.com/technetwork/security-advisory/cpujan2018-3236628…](http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html) - [openSUSE-SU-2016:0510](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html) (lists.opensuse.org) vendor-advisory - [USN-2900-1](http://ubuntu.com/usn/usn-2900-1) (ubuntu.com) vendor-advisory - [fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow](http://www.fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05376917) - [RHSA-2016:0277](http://rhn.redhat.com/errata/RHSA-2016-0277.html) (rhn.redhat.com) vendor-advisory - [openSUSE-SU-2016:0511](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00043.html) (lists.opensuse.org) vendor-advisory - [googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-gli…](https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html) - [oracle.com/technetwork/topics/security/linuxbulletinjan2016…](http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html) - [security.netapp.com/advisory/ntap-20160217-0002](https://security.netapp.com/advisory/ntap-20160217-0002/) - [SUSE-SU-2016:0470](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html) (lists.opensuse.org) vendor-advisory - [blogs.sophos.com/2016/02/24/utm-up2date-9-355-released](https://blogs.sophos.com/2016/02/24/utm-up2date-9-355-released/) - [support.lenovo.com/us/en/product\_security/len\_5450](https://support.lenovo.com/us/en/product%5Fsecurity/len%5F5450) - [tenable.com/security/research/tra-2017-08](https://www.tenable.com/security/research/tra-2017-08) - [vmware.com/security/advisories/VMSA-2016-0002.html](http://www.vmware.com/security/advisories/VMSA-2016-0002.html) - [HPSBGN03549](http://marc.info/?l=bugtraq&m=145672440608228&w=2) (marc.info) vendor-advisory - [83265](http://www.securityfocus.com/bid/83265) (securityfocus.com) vdb-entry - [fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow](http://fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05158380) - [GLSA-201602-02](https://security.gentoo.org/glsa/201602-02) (security.gentoo.org) vendor-advisory - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05128937) - [HPSBGN03547](http://marc.info/?l=bugtraq&m=145596041017029&w=2) (marc.info) vendor-advisory - [SUSE-SU-2016:0472](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html) (lists.opensuse.org) vendor-advisory - [40339](https://www.exploit-db.com/exploits/40339/) (exploit-db.com) exploit - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05098877) - [bto.bluecoat.com/security-advisory/sa114](https://bto.bluecoat.com/security-advisory/sa114) - [\[libc-alpha\] 20160216 \[PATCH\] CVE-2015-7547 --- glibc getaddrinfo() stack-based buffer overflow](https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html) (sourceware.org) mailing-list - [SUSE-SU-2016:0473](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html) (lists.opensuse.org) vendor-advisory - [help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+…](https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes) - [packetstormsecurity.com/files/135802/glibc-getaddrinfo-Stac…](http://packetstormsecurity.com/files/135802/glibc-getaddrinfo-Stack-Based-Buffer-Overflow.html) - [bugzilla.redhat.com/show\_bug.cgi?id=1293532](https://bugzilla.redhat.com/show%5Fbug.cgi?id=1293532) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05008367) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05390722) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05176716) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05053211) - [oracle.com/technetwork/security-advisory/cpuapr2016v3-29857…](http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html) - [h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr\_na-c0…](https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr%5Fna-c05028479) - [support.f5.com/kb/en-us/solutions/public/k/47/sol47098834.h…](https://support.f5.com/kb/en-us/solutions/public/k/47/sol47098834.html) - [RHSA-2016:0176](http://rhn.redhat.com/errata/RHSA-2016-0176.html) (rhn.redhat.com) vendor-advisory - [FEDORA-2016-0480defc94](http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html) (lists.fedoraproject.org) vendor-advisory - [openSUSE-SU-2016:0512](http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00044.html) (lists.opensuse.org) vendor-advisory - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c04989404) - [DSA-3480](http://www.debian.org/security/2016/dsa-3480) (debian.org) vendor-advisory - [ics-cert.us-cert.gov/advisories/ICSA-16-103-01](https://ics-cert.us-cert.gov/advisories/ICSA-16-103-01) - [39454](https://www.exploit-db.com/exploits/39454/) (exploit-db.com) exploit - [support.citrix.com/article/CTX206991](http://support.citrix.com/article/CTX206991) - [huawei.com/en/psirt/security-advisories/huawei-sa-20160304-…](http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160304-01-glibc-en) - [VU#457759](https://www.kb.cert.org/vuls/id/457759) (kb.cert.org) third-party-advisory - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05130958) - [access.redhat.com/articles/2161461](https://access.redhat.com/articles/2161461) - [kc.mcafee.com/corporate/index?page=content&id=SB10150](https://kc.mcafee.com/corporate/index?page=content&id=SB10150) - [HPSBGN03442](http://marc.info/?l=bugtraq&m=145690841819314&w=2) (marc.info) vendor-advisory - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05212266) - [h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c05073516) - [20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16X](http://seclists.org/fulldisclosure/2019/Sep/7) (seclists.org) mailing-list - [20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16X](https://seclists.org/bugtraq/2019/Sep/7) (seclists.org) mailing-list - [packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded…](http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html) - [20210901 SEC Consult SA-20210901-0 :: Multiple vulnerabilities in MOXA devices](http://seclists.org/fulldisclosure/2021/Sep/0) (seclists.org) mailing-list - [packetstormsecurity.com/files/164014/Moxa-Command-Injection…](http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html) - [arista.com/en/support/advisories-notices/security-advisorie…](https://www.arista.com/en/support/advisories-notices/security-advisories/1255-security-advisory-17) - [20220617 SEC Consult SA-20220615-0 :: Hardcoded Backdoor User and Outdated Software Components in Nexans FTTO GigaSwitch series](http://seclists.org/fulldisclosure/2022/Jun/36) (seclists.org) mailing-list - [packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch…](http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html) ## Timeline 1. ID reserved Sep 29, 2015 2. Record published Feb 18, 2016 3. Record last updated Aug 6, 2024 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:59 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)