{"id":"CVE-2014-7187","published":"2014-09-28T19:00:00Z","modified":"2024-08-06T12:40:19Z","title":"Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers…","vendor":null,"product":null,"tier":"core","eol":null,"description":{"text":"Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via deeply nested for loops, aka the \"word_lineno\" issue.","provenance":"source","from":"CVE.org"},"summary":{"text":"The flaw is an off-by-one error in the read_token_word function in parse.y of GNU Bash through version 4.3 (bash43-026), which is the component that parses shell input. An attacker who can supply input that Bash parses can trigger deeply nested for loops to cause an out-of-bounds array access, resulting in a denial of service via application crash and possibly other unspecified impact.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:15:45Z"},"cvss":null,"epss":{"score":0.60279,"percentile":0.99135,"date":"2026-10-28","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2018-03-01","exploitedFirstSeen":"2018-03-01","ransomware":false,"evidence":[{"url":"https://www.virusbulletin.com/virusbulletin/2018/03/vb2017-paper-router-all-evil-more-just-default-passwords-and-silly-scripts/","date":"2018-03-01"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"http://packetstormsecurity.com/files/128517/VMware-Security-Advisory-2014-0010.html","tags":["x_refsource_MISC"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004897","tags":["x_refsource_CONFIRM"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21685749","tags":["x_refsource_CONFIRM"]},{"url":"http://marc.info/?l=bugtraq&m=141577137423233&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk102673&src=securityAlerts","tags":["x_refsource_CONFIRM"]},{"url":"http://marc.info/?l=bugtraq&m=141383138121313&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://marc.info/?l=bugtraq&m=142721162228379&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://www.securityfocus.com/archive/1/533593/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ"]},{"url":"http://marc.info/?l=bugtraq&m=142358026505815&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00038.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21686084","tags":["x_refsource_CONFIRM"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21686479","tags":["x_refsource_CONFIRM"]},{"url":"http://secunia.com/advisories/61188","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://jvn.jp/en/jp/JVN55667175/index.html","tags":["third-party-advisory","x_refsource_JVN"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00044.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://secunia.com/advisories/60433","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://openwall.com/lists/oss-security/2014/09/25/32","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://marc.info/?l=bugtraq&m=141383026420882&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://marc.info/?l=bugtraq&m=141585637922673&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://marc.info/?l=bugtraq&m=141576728022234&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://support.novell.com/security/cve/CVE-2014-7187.html","tags":["x_refsource_CONFIRM"]},{"url":"http://www.oracle.com/technetwork/topics/security/bashcve-2014-7169-2317675.html","tags":["x_refsource_CONFIRM"]},{"url":"http://secunia.com/advisories/61636","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://secunia.com/advisories/61816","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://secunia.com/advisories/61442","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://marc.info/?l=bugtraq&m=142358078406056&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://secunia.com/advisories/61283","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","tags":["vendor-advisory","x_refsource_APPLE"]},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10085","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2014-10/msg00023.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://secunia.com/advisories/61654","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096315","tags":["x_refsource_CONFIRM"]},{"url":"http://secunia.com/advisories/62312","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html","tags":["x_refsource_CONFIRM"]},{"url":"http://marc.info/?l=bugtraq&m=141879528318582&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1312.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21685604","tags":["x_refsource_CONFIRM"]},{"url":"http://marc.info/?l=bugtraq&m=142118135300698&w=2","tags":["vendor-advisory","x_refsource_HP"]},{"url":"http://secunia.com/advisories/61703","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://www.ubuntu.com/usn/US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hxxps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-7187.","start":185631,"end":185724}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2014-7064","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-7064","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[{"id":34860,"url":"https://www.exploit-db.com/exploits/34860","title":"GNU bash 4.3.11 - Environment Variable dhclient","type":"remote","platform":"linux","date":"2014-10-02","verified":false,"provenance":"source"},{"id":36933,"url":"https://www.exploit-db.com/exploits/36933","title":"dhclient 4.1 - Bash Environment Variable Command Injection 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