CVE-2016-7543

8.4 HIGH
Published: January 19, 2017 Modified: May 13, 2026
View on NVD

Description

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0725.html
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2016/09/26/9
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93183
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037812
Source: cve@mitre.org
https://access.redhat.com/errata/RHSA-2017:1931
Source: cve@mitre.org
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
Source: cve@mitre.org
https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
Source: cve@mitre.org
Patch Vendor Advisory
https://security.gentoo.org/glsa/201701-02
Source: cve@mitre.org
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0725.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/09/26/9
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93183
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037812
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2017:1931
Source: af854a3a-2127-422b-91ae-364da2661108
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://security.gentoo.org/glsa/201701-02
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.4 / 10.0
EPSS (Exploit Probability)
0.6%
43th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

gnu fedoraproject

Related CVEs

CVE-2026-39955 9.8
CVE-2026-39948 N/A
CVE-2026-39938 9.8
CVE-2026-39900 N/A
CVE-2026-39899 N/A