--- title: "CVE-2015-0235: Heap-based buffer overflow… | CubePath" description: "Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent…" language: en source: https://cubepath.com/security/cve/CVE-2015-0235 --- # CVE-2015-0235: Heap-based buffer overflow… | CubePath ## Description Heap-based buffer overflow in the \_\_nss\_hostname\_digits\_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function, aka "GHOST." 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-2015-0235) ## 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 0.94558 (94.6% probability) Percentile 99.9% 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. - [72325](http://www.securityfocus.com/bid/72325) (securityfocus.com) vdb-entry - [HPSBGN03247](http://marc.info/?l=bugtraq&m=142296726407499&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21696131](http://www-01.ibm.com/support/docview.wss?uid=swg21696131) - [62883](http://secunia.com/advisories/62883) (secunia.com) third-party-advisory - [62691](http://secunia.com/advisories/62691) (secunia.com) third-party-advisory - [oracle.com/technetwork/topics/security/cpujul2015-2367936.h…](http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html) - [APPLE-SA-2015-10-21-4](http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html) (lists.apple.com) vendor-advisory - [packetstormsecurity.com/files/130974/Exim-GHOST-glibc-getho…](http://packetstormsecurity.com/files/130974/Exim-GHOST-glibc-gethostbyname-Buffer-Overflow.html) - [support.apple.com/HT205375](https://support.apple.com/HT205375) - [HPSBGN03285](http://marc.info/?l=bugtraq&m=142722450701342&w=2) (marc.info) vendor-advisory - [20150127 GHOST gethostbyname() heap overflow in glibc (CVE-2015-0235)](http://seclists.org/oss-sec/2015/q1/269) (seclists.org) mailing-list - [websense.com/support/article/kbarticle/Vulnerabilities-reso…](http://www.websense.com/support/article/kbarticle/Vulnerabilities-resolved-in-TRITON-APX-Version-8-0) - [62698](http://secunia.com/advisories/62698) (secunia.com) third-party-advisory - [62640](http://secunia.com/advisories/62640) (secunia.com) third-party-advisory - [1032909](http://www.securitytracker.com/id/1032909) (securitytracker.com) vdb-entry - [oracle.com/technetwork/security-advisory/cpujul2016-2881720…](http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html) - [bto.bluecoat.com/security-advisory/sa90](https://bto.bluecoat.com/security-advisory/sa90) - [www-01.ibm.com/support/docview.wss?uid=swg21696618](http://www-01.ibm.com/support/docview.wss?uid=swg21696618) - [www-01.ibm.com/support/docview.wss?uid=swg21696600](http://www-01.ibm.com/support/docview.wss?uid=swg21696600) - [idirect.net/Partners/\~/media/Files/CVE/iDirect-Posted-Commo…](http://www.idirect.net/Partners/~/media/Files/CVE/iDirect-Posted-Common-Vulnerabilities-and-Exposures.pdf) - [APPLE-SA-2015-09-30-3](http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html) (lists.apple.com) vendor-advisory - [oracle.com/technetwork/topics/security/cpuoct2015-2367953.h…](http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html) - [sophos.com/en-us/support/knowledgebase/121879.aspx](https://www.sophos.com/en-us/support/knowledgebase/121879.aspx) - [62688](http://secunia.com/advisories/62688) (secunia.com) third-party-advisory - [62865](http://secunia.com/advisories/62865) (secunia.com) third-party-advisory - [oracle.com/technetwork/topics/security/cpujan2016-2367955.h…](http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html) - [www-01.ibm.com/support/docview.wss?uid=swg21696243](http://www-01.ibm.com/support/docview.wss?uid=swg21696243) - [HPSBHF03289](http://marc.info/?l=bugtraq&m=142721102728110&w=2) (marc.info) vendor-advisory - [APPLE-SA-2015-06-30-2](http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html) (lists.apple.com) vendor-advisory - [kc.mcafee.com/corporate/index?page=content&id=SB10100](https://kc.mcafee.com/corporate/index?page=content&id=SB10100) - [oracle.com/technetwork/security-advisory/cpuoct2016-2881722…](http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html) - [62812](http://secunia.com/advisories/62812) (secunia.com) third-party-advisory - [62879](http://secunia.com/advisories/62879) (secunia.com) third-party-advisory - [HPSBGN03270](http://marc.info/?l=bugtraq&m=142781412222323&w=2) (marc.info) vendor-advisory - [linux.oracle.com/errata/ELSA-2015-0090.html](http://linux.oracle.com/errata/ELSA-2015-0090.html) - [oracle.com/technetwork/topics/security/cpuapr2015-2365600.h…](http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html) - [62871](http://secunia.com/advisories/62871) (secunia.com) third-party-advisory - [oracle.com/technetwork/security-advisory/cpuoct2017-3236626…](http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html) - [62690](http://secunia.com/advisories/62690) (secunia.com) third-party-advisory - [62692](http://secunia.com/advisories/62692) (secunia.com) third-party-advisory - [support.apple.com/HT205267](https://support.apple.com/HT205267) - [help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+…](https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes) - [62681](http://secunia.com/advisories/62681) (secunia.com) third-party-advisory - [kb.juniper.net/InfoCenter/index?page=content&id=JSA10671](https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10671) - [www-01.ibm.com/support/docview.wss?uid=swg21696526](http://www-01.ibm.com/support/docview.wss?uid=swg21696526) - [62667](http://secunia.com/advisories/62667) (secunia.com) third-party-advisory - [h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…](https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr%5Fna-c04874668) - [MDVSA-2015:039](http://www.mandriva.com/security/advisories?name=MDVSA-2015:039) (mandriva.com) vendor-advisory - [f-secure.com/en/web/labs\_global/fsc-2015-1](https://www.f-secure.com/en/web/labs%5Fglobal/fsc-2015-1) - [www-01.ibm.com/support/docview.wss?uid=swg21696602](http://www-01.ibm.com/support/docview.wss?uid=swg21696602) - [62517](http://secunia.com/advisories/62517) (secunia.com) third-party-advisory - [support.apple.com/kb/HT204942](http://support.apple.com/kb/HT204942) - [blogs.sophos.com/2015/01/29/sophos-products-and-the-ghost-v…](http://blogs.sophos.com/2015/01/29/sophos-products-and-the-ghost-vulnerability-affecting-linux/) - [www-01.ibm.com/support/docview.wss?uid=swg21695695](http://www-01.ibm.com/support/docview.wss?uid=swg21695695) - [62680](http://secunia.com/advisories/62680) (secunia.com) third-party-advisory - [62813](http://secunia.com/advisories/62813) (secunia.com) third-party-advisory - [packetstormsecurity.com/files/130768/EMC-Secure-Remote-Serv…](http://packetstormsecurity.com/files/130768/EMC-Secure-Remote-Services-GHOST-SQL-Injection-Command-Injection.html) - [GLSA-201503-04](https://security.gentoo.org/glsa/201503-04) (security.gentoo.org) vendor-advisory - [oracle.com/technetwork/security-advisory/cpuoct2018-4428296…](http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html) - [20150128 GNU glibc gethostbyname Function Buffer Overflow Vulnerability](http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150128-ghost) (tools.cisco.com) vendor-advisory - [91787](http://www.securityfocus.com/bid/91787) (securityfocus.com) vdb-entry - [packetstormsecurity.com/files/130171/Exim-ESMTP-GHOST-Denia…](http://packetstormsecurity.com/files/130171/Exim-ESMTP-GHOST-Denial-Of-Service.html) - [RHSA-2015:0126](http://rhn.redhat.com/errata/RHSA-2015-0126.html) (rhn.redhat.com) vendor-advisory - [oracle.com/technetwork/security-advisory/cpujul2017-3236622…](http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html) - [20150311 OpenSSL v1.0.2 for Linux affected by CVE-2015-0235](http://www.securityfocus.com/archive/1/534845/100/0/threaded) (securityfocus.com) mailing-list - [62715](http://secunia.com/advisories/62715) (secunia.com) third-party-advisory - [qualys.com/research/security-advisories/GHOST-CVE-2015-0235…](https://www.qualys.com/research/security-advisories/GHOST-CVE-2015-0235.txt) - [www-01.ibm.com/support/docview.wss?uid=swg21695835](http://www-01.ibm.com/support/docview.wss?uid=swg21695835) - [20150127 Qualys Security Advisory CVE-2015-0235 - GHOST: glibc gethostbyname buffer overflow](http://seclists.org/oss-sec/2015/q1/274) (seclists.org) mailing-list - [HPSBMU03330](http://marc.info/?l=bugtraq&m=143145428124857&w=2) (marc.info) vendor-advisory - [20150128 Qualys Security Advisory CVE-2015-0235 - GHOST: glibc gethostbyname buffer overflow](http://seclists.org/fulldisclosure/2015/Jan/111) (seclists.org) mailing-list - [www-01.ibm.com/support/docview.wss?uid=swg21695774](http://www-01.ibm.com/support/docview.wss?uid=swg21695774) - [62870](http://secunia.com/advisories/62870) (secunia.com) third-party-advisory - [security.netapp.com/advisory/ntap-20150127-0001](https://security.netapp.com/advisory/ntap-20150127-0001/) - [linux.oracle.com/errata/ELSA-2015-0092.html](http://linux.oracle.com/errata/ELSA-2015-0092.html) - [www-01.ibm.com/support/docview.wss?uid=swg21695860](http://www-01.ibm.com/support/docview.wss?uid=swg21695860) - [DSA-3142](http://www.debian.org/security/2015/dsa-3142) (debian.org) vendor-advisory - [community.qualys.com/blogs/laws-of-vulnerabilities/2015/01/…](https://community.qualys.com/blogs/laws-of-vulnerabilities/2015/01/27/the-ghost-vulnerability) - [62816](http://secunia.com/advisories/62816) (secunia.com) third-party-advisory - [62758](http://secunia.com/advisories/62758) (secunia.com) third-party-advisory - [20190612 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Series](http://seclists.org/fulldisclosure/2019/Jun/18) (seclists.org) mailing-list - [20190613 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Series](https://seclists.org/bugtraq/2019/Jun/14) (seclists.org) mailing-list - [packetstormsecurity.com/files/153278/WAGO-852-Industrial-Ma…](http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html) - [cert-portal.siemens.com/productcert/pdf/ssa-994726.pdf](https://cert-portal.siemens.com/productcert/pdf/ssa-994726.pdf) - [\[oss-security\] 20210504 21Nails: Multiple vulnerabilities in Exim](http://www.openwall.com/lists/oss-security/2021/05/04/7) (openwall.com) mailing-list - [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/1053-security-advisory-9) - [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 Nov 18, 2014 2. Record published Jan 28, 2015 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)