CVE-2026-35535
7.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Sudo project | Sudo | 0 < 3e474c2f201484be83d994ae10a4e20e8c81bb69 | affected |
Weaknesses
- CWE-271: CWE-271 Privilege Dropping / Lowering Errors
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
Additional References
CVE Program Container
Additional References
sudo: Sudo: Privilege escalation due to failure in privilege drop calls
Additional References
- https://access.redhat.com/security/cve/CVE-2026-35535
- https://bugzilla.redhat.com/show_bug.cgi?id=2454714
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35535.json
- https://access.redhat.com/errata/RHSA-2026:13896
- https://access.redhat.com/errata/RHSA-2026:13895
- https://access.redhat.com/errata/RHSA-2026:21695
- https://access.redhat.com/errata/RHSA-2026:21690
- https://access.redhat.com/errata/RHSA-2026:28887
- https://access.redhat.com/errata/RHSA-2026:23233
- https://access.redhat.com/errata/RHSA-2026:20087
- https://access.redhat.com/errata/RHSA-2026:21656
- https://access.redhat.com/errata/RHSA-2026:20040
- https://access.redhat.com/errata/RHSA-2026:13888
- https://access.redhat.com/errata/RHSA-2026:10758
- https://access.redhat.com/errata/RHSA-2026:19067
- https://access.redhat.com/errata/RHSA-2026:13731
- https://access.redhat.com/errata/RHSA-2026:13891
- https://access.redhat.com/errata/RHSA-2026:14437
- https://access.redhat.com/errata/RHSA-2026:13889
- https://access.redhat.com/errata/RHSA-2026:12310
- https://access.redhat.com/errata/RHSA-2026:19220
- https://access.redhat.com/errata/RHSA-2026:11521
- https://access.redhat.com/errata/RHSA-2026:14228
- https://access.redhat.com/errata/RHSA-2026:13892
- https://access.redhat.com/errata/RHSA-2026:30088
- https://access.redhat.com/errata/RHSA-2026:21275
References
- https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
- https://www.qualys.com/2026/03/10/crack-armor.txt
- https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
- https://bugs.debian.org/1130593
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