Description
sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| [UNKNOWN] | sudo | sudo 1.8.18p1 | — |
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 | sudo | 1.8.18p1-1 | — |
| Debian 13 | sudo | 1.8.18p1-1 | — |
| Debian 12 | sudo | 1.8.18p1-1 | — |
| Debian 7 | sudo | 1.8.5p2-1+nmu3+deb7u2 | DLA-707-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | sudo | 1.8.16-0ubuntu1.6 | USN-3968-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | sudo | 1.8.9p5-1ubuntu1.5+esm5 | USN-3968-3 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | sudo +1 | 1.8.6p7-21.el7_3 | RHSA-2016:2872 |
| RHEL 6 | sudo +1 | 1.8.6p3-25.el6_8 | RHSA-2016:2872 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | sudo | 1.8.10p3-8.1 | SUSE-SU-2016:2893-1 |
| SLES 12 SP1 | sudo | 1.8.10p3-2.6.1 | SUSE-SU-2016:2904-1 |
| SLES 11 SP4 | sudo | 1.7.6p2-0.29.1 | SUSE-SU-2016:2891-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | sudo | 1.8.10p3-8.1 | SUSE-SU-2016:2893-1 |
| SLES for SAP 12 SP1 | sudo | 1.8.10p3-2.6.1 | SUSE-SU-2016:2904-1 |
| SLES for SAP 11 SP4 | sudo | 1.7.6p2-0.29.1 | SUSE-SU-2016:2891-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | sudo | 1.9.7p2-1.4 | openSUSE-SU-2024:11413-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | sudo +1 | 1.8.6p7-21.el7_3 | ELSA-2016-2872 |
Advisories 9
- RHSA-2016:2872 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- DLA-707-1 sudo - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3968-1 sudo vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3968-3 sudo vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:2891-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2893-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2904-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11413-1 sudo-1.9.7p2-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2016-2872 Moderate: sudo security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 6, 2016
References
- https://www.sudo.ws/alerts/noexec_wordexp.html
- RHSA-2016:2872 vendor-advisory
- 95778 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076
- https://security.netapp.com/advisory/ntap-20181127-0002/
- USN-3968-1 vendor-advisory
- USN-3968-3 vendor-advisory