CVE-2026-35535

EUVD-2026-18571
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
sudo
bookworm
1.9.13p3-1+deb12u4
fixed
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
1.9.17p2-5
fixed
sid
1.9.17p2-5
fixed
trixie
1.9.16p2-3+deb13u2
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
sudo
suse enterprise server 15 SP4
1.9.9-150400.4.42.1
fixed
sudo-devel
suse enterprise server 15 SP4
1.9.9-150400.4.42.1
fixed
sudo-plugin-python
suse enterprise server 15 SP4
1.9.9-150400.4.42.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
sudo
RHEL 9
0:1.9.17p2-3.el9_8
fixed
sudo-python-plugin
RHEL 9
0:1.9.17p2-3.el9_8
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://bugs.debian.org/1130593
https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
https://www.qualys.com/2026/03/10/crack-armor.txt