Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
https://security.gentoo.org/glsa/201701-02
http://www.securityfocus.com/bid/93183
http://www.openwall.com/lists/oss-security/2016/09/26/9
https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
https://access.redhat.com/errata/RHSA-2017:1931
http://www.securitytracker.com/id/1037812
http://rhn.redhat.com/errata/RHSA-2017-0725.html
Source: Mitre, NVD
Published: 2017-01-19
Updated: 2025-04-20
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.4
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00103