CVE-2026-35535
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.9.16p2-3+deb13u2 |
| sid | Fixed | 1.9.17p2-5 |
| forky | Fixed | 1.9.17p2-5 |
| bullseye | Affected | — |
| bookworm | Fixed | 1.9.13p3-1+deb12u4 |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | sudo-python-plugin-1.9.5p2-15.el9_7.aarch64.rpm |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| sudo_project | sudo | {"endExcluding":"1.9.17"} | 1.9.17 |
| sudo_project | sudo | 1.9.17 | |
| siemens | ruggedcom_rst2428p | - | |
References
- https://access.redhat.com/errata/RHSA-2026:12310
- https://access.redhat.com/errata/RHSA-2026:19220
- https://www.suse.com/security/cve/CVE-2026-35535.html
- https://security-tracker.debian.org/tracker/CVE-2026-35535
- https://access.redhat.com/errata/RHSA-2026:11521
- https://bugzilla.redhat.com/2454714
- https://errata.almalinux.org/8/ALSA-2026-11521.html
- https://errata.almalinux.org/9/ALSA-2026-12310.html
- https://errata.almalinux.org/9/ALSA-2026-19220.html
- https://errata.rockylinux.org/RLSA-2026:12310
- 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
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
CWEs
CWE-271
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.