Description
In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Sudo project | Sudo | — | — |
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 | 1.9.17p2-5 | — |
| Debian 13 | sudo | 1.9.16p2-3+deb13u2 | — |
| Debian 12 | sudo | 1.9.13p3-1+deb12u4 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | sudo | 1.9.17p2-1ubuntu1.1 | — |
| Ubuntu 24.04 LTS | sudo | 1.9.15p5-3ubuntu5.24.04.2 | — |
| Ubuntu 22.04 LTS | sudo | 1.9.9-1ubuntu2.6 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | sudo +1 | 1.9.15-10.p5.el10_1 | RHSA-2026:19067, RHSA-2026:10758 |
| RHEL 9 | sudo +1 | 1.9.5p2-15.el9_7 | RHSA-2026:19220, RHSA-2026:12310 |
| RHEL 8 | sudo | 1.9.5p2-1.el8_10.5 | RHSA-2026:11521 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | sudo +1 | 1.9.15-8.p5.el10_0.3 | RHSA-2026:13888 |
| RHEL 9.6 EUS | sudo +1 | 1.9.5p2-10.el9_6.3 | RHSA-2026:13889 |
| RHEL 9.4 EUS | sudo +1 | 1.9.5p2-10.el9_4.3 | RHSA-2026:14437 |
| RHEL 9.2 E4S | sudo +1 | 1.9.5p2-9.el9_2.4 | RHSA-2026:13891 |
| RHEL 9.0 E4S | sudo +1 | 1.9.5p2-7.el9_0.6 | RHSA-2026:13731 |
| RHEL 8.8 TUS | sudo | 1.9.5p2-1.el8_8.3 | RHSA-2026:13892 |
| RHEL 8.8 E4S | sudo | 1.9.5p2-1.el8_8.3 | RHSA-2026:13892 |
| RHEL 8.6 TUS | sudo | 1.9.5p2-1.el8_6.3 | RHSA-2026:14228 |
| RHEL 8.6 E4S | sudo | 1.9.5p2-1.el8_6.3 | RHSA-2026:14228 |
| RHEL 8.6 AUS | sudo | 1.9.5p2-1.el8_6.3 | RHSA-2026:14228 |
| RHEL 7 ELS | sudo +1 | 1.8.23-10.el7_9.5 | RHSA-2026:13895 |
| RHEL 6 ELS | sudo +1 | 1.8.6p3-29.el6_10.8 | RHSA-2026:13896 |
| Red Hat Hardened Images 1 | sudo +3 | 1.9.17-16.p2.1.hum1 | RHSA-2026:65569 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | sudo +1 | 1.9.15-10.p5.el10_1 | ALSA-2026:19067, ALSA-2026:10758 |
| AlmaLinux 9 | sudo +1 | 1.9.5p2-15.el9_7 | ALSA-2026:19220, ALSA-2026:12310 |
| AlmaLinux 8 | sudo | 1.9.5p2-1.el8_10.5 | ALSA-2026:11521 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | sudo | 1.9.15-10.p5.el10_1 | RLSA-2026:19067, RLSA-2026:10758 |
| Rocky Linux 9 | sudo | 1.9.5p2-15.el9_7 | RLSA-2026:19220, RLSA-2026:12310 |
| Rocky Linux 8 | sudo | 1.9.5p2-1.el8_10.5 | RLSA-2026:11521 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | sudo | 1.9.15p5-150600.3.15.1 | SUSE-SU-2026:1359-1 |
| SLES 15 SP6 | sudo | 1.9.15p5-150600.3.15.1 | SUSE-SU-2026:1359-1 |
| SLES 15 SP5 | sudo | 1.9.12p1-150500.7.16.1 | SUSE-SU-2026:1308-1 |
| SLES 15 SP4 | sudo | 1.9.9-150400.4.42.1 | SUSE-SU-2026:1309-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | sudo | 1.9.15p5-150600.3.15.1 | SUSE-SU-2026:1359-1 |
| SLES for SAP 15 SP5 | sudo | 1.9.12p1-150500.7.16.1 | SUSE-SU-2026:1308-1 |
| SLES for SAP 15 SP4 | sudo | 1.9.9-150400.4.42.1 | SUSE-SU-2026:1309-1 |
| SLE Micro 6.2 | sudo | 1.9.17p1-160000.3.1 | SUSE-SU-2026:21273-1 |
| SLE Micro 6.1 | sudo | 1.9.15p5-slfo.1.1_3.1 | SUSE-SU-2026:21252-1 |
| SLE Micro 5.5 | sudo | 1.9.12p1-150500.7.16.1 | SUSE-SU-2026:1308-1 |
| SLE Micro 5.4 | sudo | 1.9.9-150400.4.42.1 | SUSE-SU-2026:1309-1 |
| SLE Micro 5.3 | sudo | 1.9.9-150400.4.42.1 | SUSE-SU-2026:1309-1 |
| SLE HPC 15 SP5 | sudo | 1.9.12p1-150500.7.16.1 | SUSE-SU-2026:1308-1 |
| SLE HPC 15 SP4 | sudo | 1.9.9-150400.4.42.1 | SUSE-SU-2026:1309-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | sudo | 1.9.17p2-2.1 | openSUSE-SU-2026:10510-1 |
| openSUSE Leap 16.0 | sudo | 1.9.17p1-160000.3.1 | openSUSE-SU-2026:20604-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | sudo +3 | 1.9.15-1.p5.amzn2023.0.3 | ALAS2023-2026-1559 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | sudo | 1.9.17-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | sudo +1 | 1.9.15-10.p5.el10_1 | ELSA-2026-19067, ELSA-2026-10758 |
| Oracle Linux 9 | sudo +1 | 1.9.5p2-15.el9_7 | ELSA-2026-19220, ELSA-2026-12310 |
| Oracle Linux 8 | sudo | 1.9.5p2-1.0.1.el8_10.5 | ELSA-2026-11521 |
| Oracle Linux 7 | sudo +1 | 1.8.23-10.0.3.el7_9.3 | ELSA-2026-13895 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | sudo | 1.9.17_p2-r10 | — |
Advisories 44
- ALSA-2026:10758 Important: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19220 Important: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:12310 Important: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19067 Important: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:11521 Important: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:65569 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:19220 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:19067 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:14437 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:14228 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13895 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13896 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13892 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13888 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13889 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13891 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:13731 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:12310 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:11521 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:10758 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- WID-SEC-2026-0971 sudo: Schwachstelle ermöglicht Privilegieneskalation BSI CERT-Bund (WID) · Oct 5, 2026
- WID-SEC-2026-3038 Meinberg LANTIME: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
- ELSA-2026-13895 Important: sudo security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2026
- WID-SEC-2026-1666 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 28, 2026
- ELSA-2026-19067 Important: sudo security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 8, 2026
- ICSA-26-188-05 Siemens SINEC OS CISA ICS & IT advisories · Jul 7, 2026
- ELSA-2026-19220 Important: sudo security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 12, 2026
- SSA-253495 SSA-253495: Multiple Vulnerabilities in SINEC OS before V4.0 Siemens ProductCERT · Jun 2, 2026
- RLSA-2026:19067 Important: sudo security update Rocky Linux Security Advisories · May 29, 2026
- RLSA-2026:19220 Important: sudo security update Rocky Linux Security Advisories · May 28, 2026
- RLSA-2026:12310 Important: sudo security update Rocky Linux Security Advisories · May 3, 2026
- RLSA-2026:11521 Important: sudo security update Rocky Linux Security Advisories · Apr 30, 2026
- ELSA-2026-12310 Important: sudo security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Apr 30, 2026
- ELSA-2026-11521 Important: sudo security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 29, 2026
- RLSA-2026:10758 Important: sudo security update Rocky Linux Security Advisories · Apr 28, 2026
- ELSA-2026-10758 Important: sudo security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Apr 27, 2026
- SUSE-SU-2026:21273-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 25, 2026
- SUSE-SU-2026:21252-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 24, 2026
- openSUSE-SU-2026:20604-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 24, 2026
- SUSE-SU-2026:1359-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 16, 2026
- SUSE-SU-2026:1308-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 15, 2026
- SUSE-SU-2026:1309-1 Security update for sudo SUSE / openSUSE Security Updates · Apr 15, 2026
- ALAS2023-2026-1559 Important: sudo security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 13, 2026
- openSUSE-SU-2026:10510-1 sudo-1.9.17p2-2.1 on GA media SUSE / openSUSE Security Updates · Apr 9, 2026