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CVE-2015-0235

92
FAUCET Score

CVE-2015-0235, known as "GHOST," is a critical heap-based buffer overflow vulnerability in the glibc library's __nss_hostname_digits_dots function, affecting versions before 2.18. This flaw, exploitable via gethostbyname or gethostbyname2, impacts a wide range of products including Apple, Debian, GNU, IBM, Oracle, PHP, and Red Hat. With a CVSS score of 10.0, it allows unauthenticated remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. While not listed in CISA KEV, exploit modules exist in Metasploit, and it has garnered significant community discussion and media coverage, indicating its past and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0, < 2.18CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
< 3.7.1CPE matchmatch criteria
cpe:2.3:a:oracle:communications_application_session_controller:*:*:*:*:*:*:*:*
16.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_eagle_application_processor:16.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.0:*:*:*:*:*:*:*
13.1CPE matchmatch criteria
cpe:2.3:a:oracle:communications_lsms:13.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
94.86%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Exim GHOST (glibc gethostbyname) Buffer Overflow · Jan 27, 2015
ExploitDB: EDB-36421 · Mar 18, 2015
This CVE's current EPSS score of 0.9486 is in the 100th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4 Extended Lifecycle SupportFixed in: glibc-0:2.3.4-2.57.el4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc-0:2.5-123.el5_11.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.6 Long LifeFixed in: glibc-0:2.5-58.el5_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.9 Extended Update SupportFixed in: glibc-0:2.5-107.el5_9.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.149.el6_6.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 Advanced Update SupportFixed in: glibc-0:2.12-1.47.el6_2.15
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.4 Extended Update SupportFixed in: glibc-0:2.12-1.107.el6_4.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Extended Update SupportFixed in: glibc-0:2.12-1.132.el6_5.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-55.el7_0.5
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.6-20150123.1.el6ev
View patch
sonicwallvendor investigatingvia llm_extracted
View patch

Vendor Advisories (2)

sonicwallllm-sonicwall-c9b01a898a6aea8cHIGH

Splunk response to "GHOST" Vulnerability (CVE-2015-0235)

Jan 28, 2015
redhatCVE-2015-0235Critical

glibc: __nss_hostname_digits_dots() heap-based buffer overflow

Jan 27, 2015

References

blogs.sophos.com / 2015/01/29/sophos-products-and-the-ghost-vulnerability-affecting-linux
Third Party Advisory
linux.oracle.com / errata/ELSA-2015-0090.html
Third Party Advisory
linux.oracle.com / errata/ELSA-2015-0092.html
Third Party Advisory
lists.apple.com / archives/security-announce/2015/Jun/msg00002.html
Mailing ListThird Party Advisory
lists.apple.com / archives/security-announce/2015/Oct/msg00005.html
Mailing ListThird Party Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00008.html
Mailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
packetstormsecurity.com / files/130171/Exim-ESMTP-GHOST-Denial-Of-Service.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/130768/EMC-Secure-Remote-Services-GHOST-SQL-Injection-Command-Injection.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/130974/Exim-GHOST-glibc-gethostbyname-Buffer-Overflow.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html
ExploitThird Party AdvisoryVDB Entry
rhn.redhat.com / errata/RHSA-2015-0126.html
Third Party Advisory
bto.bluecoat.com / security-advisory/sa90
Third Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-994726.pdf
Third Party Advisory
community.qualys.com / blogs/laws-of-vulnerabilities/2015/01/27/the-ghost-vulnerability
Third Party Advisory
seclists.org / fulldisclosure/2015/Jan/111
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2019/Jun/18
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2021/Sep/0
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Jun/36
ExploitMailing ListThird Party Advisory
seclists.org / oss-sec/2015/q1/269
Mailing ListThird Party Advisory
seclists.org / oss-sec/2015/q1/274
ExploitMailing ListThird Party Advisory
secunia.com / advisories/62517
Not Applicable
secunia.com / advisories/62640
Not Applicable
secunia.com / advisories/62667
Not Applicable
secunia.com / advisories/62680
Not Applicable
secunia.com / advisories/62681
Not Applicable
secunia.com / advisories/62688
Not Applicable
secunia.com / advisories/62690
Not Applicable
secunia.com / advisories/62691
Not Applicable
secunia.com / advisories/62692
Not Applicable
secunia.com / advisories/62698
Not Applicable
secunia.com / advisories/62715
Not Applicable
secunia.com / advisories/62758
Not Applicable
secunia.com / advisories/62812
Not Applicable
secunia.com / advisories/62813
Not Applicable
secunia.com / advisories/62816
Not Applicable
secunia.com / advisories/62865
Not Applicable
secunia.com / advisories/62870
Not Applicable
secunia.com / advisories/62871
Not Applicable
secunia.com / advisories/62879
Not Applicable
secunia.com / advisories/62883
Not Applicable
h20564.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party Advisory
help.ecostruxureit.com / display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes
Third Party Advisory
kb.juniper.net / InfoCenter/index
Third Party Advisory
kc.mcafee.com / corporate/index
Third Party Advisory
seclists.org / bugtraq/2019/Jun/14
ExploitMailing ListThird Party Advisory
security.gentoo.org / glsa/201503-04
Third Party Advisory
security.netapp.com / advisory/ntap-20150127-0001
Third Party Advisory
support.apple.com / HT205267
Third Party Advisory
support.apple.com / HT205375
Third Party Advisory
support.apple.com / kb/HT204942
Third Party Advisory
arista.com / en/support/advisories-notices/security-advisories/1053-security-advisory-9
Third Party Advisory
f-secure.com / en/web/labs_global/fsc-2015-1
Third Party Advisory
qualys.com / research/security-advisories/GHOST-CVE-2015-0235.txt
Third Party Advisory
sophos.com / en-us/support/knowledgebase/121879.aspx
Third Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20150128-ghost
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
debian.org / security/2015/dsa-3142
Third Party Advisory
idirect.net / Partners/~/media/Files/CVE/iDirect-Posted-Common-Vulnerabilities-and-Exposures.pdf
Broken LinkURL Repurposed
mandriva.com / security/advisories
Third Party Advisory
openwall.com / lists/oss-security/2021/05/04/7
ExploitMailing List
oracle.com / technetwork/security-advisory/cpujul2016-2881720.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpujul2017-3236622.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2017-3236626.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2018-4428296.html
PatchThird Party Advisory
oracle.com / technetwork/topics/security/cpuapr2015-2365600.html
Third Party Advisory
oracle.com / technetwork/topics/security/cpujan2016-2367955.html
Third Party Advisory
oracle.com / technetwork/topics/security/cpujul2015-2367936.html
Third Party Advisory
oracle.com / technetwork/topics/security/cpuoct2015-2367953.html
Third Party Advisory
securityfocus.com / archive/1/534845/100/0/threaded
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/72325
Third Party AdvisoryVDB Entry
securityfocus.com / bid/91787
Third Party AdvisoryVDB Entry
securitytracker.com / id/1032909
Third Party AdvisoryVDB Entry
websense.com / support/article/kbarticle/Vulnerabilities-resolved-in-TRITON-APX-Version-8-0
Broken LinkPermissions Required