Description
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bash | 4.4-1 | — |
| Debian 13 | bash | 4.4-1 | — |
| Debian 12 | bash | 4.4-1 | — |
| Debian 7 | bash | 4.2+dfsg-0.1+deb7u4 | DLA-680-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | bash | 4.3-14ubuntu1.2 | USN-3294-1 |
| Ubuntu 14.04 LTS | bash | 4.3-7ubuntu1.7 | USN-3294-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bash +1 | 4.2.46-28.el7 | RHSA-2017:1931 |
| RHEL 6 | bash +1 | 4.1.2-48.el6 | RHSA-2017:0725 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-1 |
| SLES 12 SP2 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-2, SUSE-SU-2018:1398-1 |
| SLES 12 SP1 | bash | 4.2-82.1 | SUSE-SU-2016:2872-1 |
| SLES 11 SP4 | bash | 3.2-147.29.1 | SUSE-SU-2017:0302-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-1 |
| SLES for SAP 12 SP2 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-1 |
| SLES for SAP 12 SP1 | bash | 4.2-82.1 | SUSE-SU-2016:2872-1 |
| SLES for SAP 11 SP4 | bash | 3.2-147.29.1 | SUSE-SU-2017:0302-1 |
| SUSE OpenStack Cloud 7 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-1 |
| SUSE Enterprise Storage 4 | bash | 4.3-83.10.1 | SUSE-SU-2018:1398-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bash +1 | 4.2.46-28.el7 | ELSA-2017-1931 |
Advisories 9
- RHSA-2017:1931 Red Hat Security Advisory: bash security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2017:0725 Red Hat Security Advisory: bash security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DLA-680-1 bash - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3294-1 bash vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:0302-1 Security update for bash SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2872-1 Security update for bash SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1398-2 Security update for bash SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1398-1 Security update for bash SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2017-1931 Moderate: bash security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- RHSA-2017:0725 vendor-advisory
- FEDORA-2016-5a54fb4784 vendor-advisory
- RHSA-2017:1931 vendor-advisory
- FEDORA-2016-2c4b5ad64e vendor-advisory
- [oss-security] 20160926 CVE-2016-7543 -- bash SHELLOPTS+PS4 mailing-list
- [bug-bash] 20160916 Bash-4.4 Release available mailing-list
- 93183 vdb-entry
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
- FEDORA-2016-f84391516d vendor-advisory
- 1037812 vdb-entry
- GLSA-201701-02 vendor-advisory