{"id":"CVE-2015-7547","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-7547","generatedAt":"2026-11-05T05:41:00.415Z","title":"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…","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.","published":"2016-02-18T21:59:00.000Z","lastModified":"2026-06-17T00:32:43.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.0","score":8.1,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["debian/debian linux","canonical/ubuntu linux","hp/helion openstack","hp/server migration pack","sophos/unified threat management software","suse/linux enterprise debuginfo","opensuse/opensuse","suse/linux enterprise desktop","suse/linux enterprise server","suse/linux enterprise software development kit","suse/suse linux enterprise server","oracle/exalogic infrastructure","f5/big-ip access policy manager","f5/big-ip advanced firewall manager","f5/big-ip analytics","f5/big-ip application acceleration manager","f5/big-ip application security manager","f5/big-ip domain name system","f5/big-ip link controller","f5/big-ip local traffic manager","f5/big-ip policy enforcement manager","oracle/fujitsu m10 firmware","redhat/enterprise linux desktop","redhat/enterprise linux hpc node","redhat/enterprise linux hpc node eus","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux workstation","gnu/glibc"],"epss":{"score":0.92385,"percentile":0.99825,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.88989,"percentile":0.99777},{"date":"2026-09-22","score":0.90987,"percentile":0.99803},{"date":"2026-10-28","score":0.92385,"percentile":0.99823}]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2016-02-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40339,"kind":"exploit","title":"glibc - 'getaddrinfo' Remote Stack Buffer Overflow","url":"https://www.exploit-db.com/exploits/40339","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/40339.py","file":"exploits/linux/remote/40339.py","published":"2016-09-06","added":"2016-09-06","updated":"2018-04-29","author":"SpeeDr00t","type":"remote","platform":"linux","port":null,"verified":false,"codes":["CVE-2015-7547"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://googleonlinesecurity.blogspot.kr/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html"},{"edbId":39454,"kind":"exploit","title":"glibc - 'getaddrinfo' Stack Buffer Overflow (PoC)","url":"https://www.exploit-db.com/exploits/39454","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/39454.txt","file":"exploits/linux/dos/39454.txt","published":"2016-02-16","added":"2016-02-16","updated":"2016-12-06","author":"Google Security Research","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-7547"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://googleonlinesecurity.blogspot.sg/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 92.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177412.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00043.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00044.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=145596041017029&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=145672440608228&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=145690841819314&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=145857691004892&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=146161017210491&w=2","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/135802/glibc-getaddrinfo-Stack-Based-Buffer-Overflow.html","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0175.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0176.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0225.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0277.html","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2019/Sep/7","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2021/Sep/0","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2022/Jun/36","source":"secalert@redhat.com"},{"url":"http://support.citrix.com/article/CTX206991","source":"secalert@redhat.com"},{"url":"http://ubuntu.com/usn/usn-2900-1","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3480","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3481","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow","source":"secalert@redhat.com"},{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160304-01-glibc-en","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/83265","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1035020","source":"secalert@redhat.com"},{"url":"http://www.vmware.com/security/advisories/VMSA-2016-0002.html","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/articles/2161461","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://blogs.sophos.com/2016/02/24/utm-up2date-9-355-released/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bto.bluecoat.com/security-advisory/sa114","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1293532","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html","source":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05028479","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04989404","tags":["Third Party 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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}