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.
High CVSS 7.4
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.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
- :
Sources
- NVD DATABASE
Original Links
- https://bugs.debian.org/1130593 Broken Link
- https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042 Issue Tracking
- https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69 Patch
- https://www.qualys.com/2026/03/10/crack-armor.txt Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html
- https://access.redhat.com/errata/RHSA-2026:10758
- https://access.redhat.com/errata/RHSA-2026:11521
- https://access.redhat.com/errata/RHSA-2026:12310
- https://access.redhat.com/errata/RHSA-2026:13731
- https://access.redhat.com/errata/RHSA-2026:13888
- https://access.redhat.com/errata/RHSA-2026:13889
- https://access.redhat.com/errata/RHSA-2026:13891
- https://access.redhat.com/errata/RHSA-2026:13892
- https://access.redhat.com/errata/RHSA-2026:13895
- https://access.redhat.com/errata/RHSA-2026:13896
- https://access.redhat.com/errata/RHSA-2026:14228
- https://access.redhat.com/errata/RHSA-2026:14437
- https://access.redhat.com/errata/RHSA-2026:19067
- https://access.redhat.com/errata/RHSA-2026:19220
- https://access.redhat.com/errata/RHSA-2026:20040
- https://access.redhat.com/errata/RHSA-2026:20087
- https://access.redhat.com/errata/RHSA-2026:21275
- https://access.redhat.com/errata/RHSA-2026:21656
- https://access.redhat.com/errata/RHSA-2026:21690
- https://access.redhat.com/errata/RHSA-2026:21695
- https://access.redhat.com/errata/RHSA-2026:23233
- https://access.redhat.com/errata/RHSA-2026:28887
- https://access.redhat.com/errata/RHSA-2026:30088
- https://access.redhat.com/errata/RHSA-2026:34098
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/security/cve/CVE-2026-35535
- https://bugzilla.redhat.com/show_bug.cgi?id=2454714
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35535.json
Timeline
- nvd_ingest NVD