--- title: "CVE-2014-6277: GNU Bash through 4.3 bash43-026… | CubePath" description: "GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers…" language: en source: https://cubepath.com/security/cve/CVE-2014-6277 --- # CVE-2014-6277: GNU Bash through 4.3 bash43-026… | CubePath ## Description GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access, and untrusted-pointer read and write operations) via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod\_cgi and mod\_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271 and CVE-2014-7169. Official description from the CVE record, published by debian. 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-2014-6277) ## 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 0.64326 (64.3% probability) Percentile 99.2% 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. - [www-01.ibm.com/support/docview.wss?uid=ssg1S1004897](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004897) - [www-01.ibm.com/support/docview.wss?uid=swg21685749](http://www-01.ibm.com/support/docview.wss?uid=swg21685749) - [HPSBMU03165](http://marc.info/?l=bugtraq&m=141577137423233&w=2) (marc.info) vendor-advisory - [supportcenter.checkpoint.com/supportcenter/portal?eventSubm…](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit%5FdoGoviewsolutiondetails=&solutionid=sk102673&src=securityAlerts) - [linux.oracle.com/errata/ELSA-2014-3093](http://linux.oracle.com/errata/ELSA-2014-3093) - [SSRT101819](http://marc.info/?l=bugtraq&m=142721162228379&w=2) (marc.info) vendor-advisory - [HPSBMU03245](http://marc.info/?l=bugtraq&m=142358026505815&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21686479](http://www-01.ibm.com/support/docview.wss?uid=swg21686479) - [JVN#55667175](http://jvn.jp/en/jp/JVN55667175/index.html) (jvn.jp) third-party-advisory - [60433](http://secunia.com/advisories/60433) (secunia.com) third-party-advisory - [HPSBMU03143](http://marc.info/?l=bugtraq&m=141383026420882&w=2) (marc.info) vendor-advisory - [HPSBMU03182](http://marc.info/?l=bugtraq&m=141585637922673&w=2) (marc.info) vendor-advisory - [HPSBST03155](http://marc.info/?l=bugtraq&m=141576728022234&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21685541](http://www-01.ibm.com/support/docview.wss?uid=swg21685541) - [oracle.com/technetwork/topics/security/bashcve-2014-7169-23…](http://www.oracle.com/technetwork/topics/security/bashcve-2014-7169-2317675.html) - [61816](http://secunia.com/advisories/61816) (secunia.com) third-party-advisory - [openSUSE-SU-2014:1310](http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html) (lists.opensuse.org) vendor-advisory - [61442](http://secunia.com/advisories/61442) (secunia.com) third-party-advisory - [HPSBMU03246](http://marc.info/?l=bugtraq&m=142358078406056&w=2) (marc.info) vendor-advisory - [61283](http://secunia.com/advisories/61283) (secunia.com) third-party-advisory - [APPLE-SA-2015-09-30-3](http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html) (lists.apple.com) vendor-advisory - [kc.mcafee.com/corporate/index?page=content&id=SB10085](https://kc.mcafee.com/corporate/index?page=content&id=SB10085) - [61654](http://secunia.com/advisories/61654) (secunia.com) third-party-advisory - [USN-2380-1](http://www.ubuntu.com/usn/USN-2380-1) (ubuntu.com) vendor-advisory - [www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIG…](http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096315) - [62312](http://secunia.com/advisories/62312) (secunia.com) third-party-advisory - [support.f5.com/kb/en-us/solutions/public/15000/600/sol15629…](https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html) - [HPSBMU03217](http://marc.info/?l=bugtraq&m=141879528318582&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21685604](http://www-01.ibm.com/support/docview.wss?uid=swg21685604) - [SSRT101868](http://marc.info/?l=bugtraq&m=142118135300698&w=2) (marc.info) vendor-advisory - [61703](http://secunia.com/advisories/61703) (secunia.com) third-party-advisory - [61065](http://secunia.com/advisories/61065) (secunia.com) third-party-advisory - [HPSBST03129](http://marc.info/?l=bugtraq&m=141383196021590&w=2) (marc.info) vendor-advisory - [HPSBMU03144](http://marc.info/?l=bugtraq&m=141383081521087&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21686445](http://www-01.ibm.com/support/docview.wss?uid=swg21686445) - [www-01.ibm.com/support/docview.wss?uid=swg21686131](http://www-01.ibm.com/support/docview.wss?uid=swg21686131) - [JVNDB-2014-000126](http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126) (jvndb.jvn.jp) third-party-advisory - [61641](http://secunia.com/advisories/61641) (secunia.com) third-party-advisory - [kb.juniper.net/InfoCenter/index?page=content&id=JSA10648](https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10648) - [SUSE-SU-2014:1287](http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00004.html) (lists.opensuse.org) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=ssg1S1004898](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004898) - [www-01.ibm.com/support/docview.wss?uid=swg21685914](http://www-01.ibm.com/support/docview.wss?uid=swg21685914) - [MDVSA-2015:164](http://www.mandriva.com/security/advisories?name=MDVSA-2015:164) (mandriva.com) vendor-advisory - [support.hpe.com/hpsc/doc/public/display?docLocale=en\_US&doc…](https://support.hpe.com/hpsc/doc/public/display?docLocale=en%5FUS&docId=emr%5Fna-c04497075) - [support.apple.com/HT205267](https://support.apple.com/HT205267) - [60325](http://secunia.com/advisories/60325) (secunia.com) third-party-advisory - [60024](http://secunia.com/advisories/60024) (secunia.com) third-party-advisory - [packetstormsecurity.com/files/128567/CA-Technologies-GNU-Ba…](http://packetstormsecurity.com/files/128567/CA-Technologies-GNU-Bash-Shellshock.html) - [lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracke…](http://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html) - [20140926 GNU Bash Environment Variable Command Injection Vulnerability](http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash) (tools.cisco.com) vendor-advisory - [62343](http://secunia.com/advisories/62343) (secunia.com) third-party-advisory - [61565](http://secunia.com/advisories/61565) (secunia.com) third-party-advisory - [suse.com/support/shellshock](https://www.suse.com/support/shellshock/) - [support.apple.com/HT204244](http://support.apple.com/HT204244) - [HPSBST03157](http://marc.info/?l=bugtraq&m=141450491804793&w=2) (marc.info) vendor-advisory - [61313](http://secunia.com/advisories/61313) (secunia.com) third-party-advisory - [SSRT101830](http://marc.info/?l=bugtraq&m=142289270617409&w=2) (marc.info) vendor-advisory - [61485](http://secunia.com/advisories/61485) (secunia.com) third-party-advisory - [support.hpe.com/hpsc/doc/public/display?docLocale=en\_US&doc…](https://support.hpe.com/hpsc/doc/public/display?docLocale=en%5FUS&docId=emr%5Fna-c04518183) - [HPSBST03154](http://marc.info/?l=bugtraq&m=141577297623641&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=isg3T1021272](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021272) - [HPSBGN03142](http://marc.info/?l=bugtraq&m=141383244821813&w=2) (marc.info) vendor-advisory - [61312](http://secunia.com/advisories/61312) (secunia.com) third-party-advisory - [linux.oracle.com/errata/ELSA-2014-3094](http://linux.oracle.com/errata/ELSA-2014-3094) - [60193](http://secunia.com/advisories/60193) (secunia.com) third-party-advisory - [vmware.com/security/advisories/VMSA-2014-0010.html](http://www.vmware.com/security/advisories/VMSA-2014-0010.html) - [60063](http://secunia.com/advisories/60063) (secunia.com) third-party-advisory - [60034](http://secunia.com/advisories/60034) (secunia.com) third-party-advisory - [59907](http://secunia.com/advisories/59907) (secunia.com) third-party-advisory - [58200](http://secunia.com/advisories/58200) (secunia.com) third-party-advisory - [HPSBST03181](http://marc.info/?l=bugtraq&m=141577241923505&w=2) (marc.info) vendor-advisory - [61643](http://secunia.com/advisories/61643) (secunia.com) third-party-advisory - [novell.com/support/kb/doc.php?id=7015721](http://www.novell.com/support/kb/doc.php?id=7015721) - [www-01.ibm.com/support/docview.wss?uid=swg21687079](http://www-01.ibm.com/support/docview.wss?uid=swg21687079) - [61503](http://secunia.com/advisories/61503) (secunia.com) third-party-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21686246](http://www-01.ibm.com/support/docview.wss?uid=swg21686246) - [www-01.ibm.com/support/docview.wss?uid=ssg1S1004915](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004915) - [HPSBHF03145](http://marc.info/?l=bugtraq&m=141383465822787&w=2) (marc.info) vendor-advisory - [qnap.com/i/en/support/con\_show.php?cid=61](http://www.qnap.com/i/en/support/con%5Fshow.php?cid=61) - [61552](http://secunia.com/advisories/61552) (secunia.com) third-party-advisory - [61780](http://secunia.com/advisories/61780) (secunia.com) third-party-advisory - [www-01.ibm.com/support/docview.wss?uid=isg3T1021279](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021279) - [support.citrix.com/article/CTX200223](https://support.citrix.com/article/CTX200223) - [HPSBGN03138](http://marc.info/?l=bugtraq&m=141330468527613&w=2) (marc.info) vendor-advisory - [60044](http://secunia.com/advisories/60044) (secunia.com) third-party-advisory - [61291](http://secunia.com/advisories/61291) (secunia.com) third-party-advisory - [HPSBHF03125](http://marc.info/?l=bugtraq&m=141345648114150&w=2) (marc.info) vendor-advisory - [61287](http://secunia.com/advisories/61287) (secunia.com) third-party-advisory - [HPSBHF03146](http://marc.info/?l=bugtraq&m=141383353622268&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=isg3T1021361](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021361) - [APPLE-SA-2015-01-27-4](http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html) (lists.apple.com) vendor-advisory - [HPSBGN03141](http://marc.info/?l=bugtraq&m=141383304022067&w=2) (marc.info) vendor-advisory - [61128](http://secunia.com/advisories/61128) (secunia.com) third-party-advisory - [support.citrix.com/article/CTX200217](https://support.citrix.com/article/CTX200217) - [61471](http://secunia.com/advisories/61471) (secunia.com) third-party-advisory - [60055](http://secunia.com/advisories/60055) (secunia.com) third-party-advisory - [59961](http://secunia.com/advisories/59961) (secunia.com) third-party-advisory - [61550](http://secunia.com/advisories/61550) (secunia.com) third-party-advisory - [61633](http://secunia.com/advisories/61633) (secunia.com) third-party-advisory - [lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patc…](http://lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patch-now.html) and 9 more in the [record on cve.org](https://www.cve.org/CVERecord?id=CVE-2014-6277) ## Timeline 1. ID reserved Sep 9, 2014 2. Record published Sep 27, 2014 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, 20:00 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)