Detections
Analytics
CVE-2026-35535
high
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.
References
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35535.json
https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html
https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
https://bugzilla.redhat.com/show_bug.cgi?id=2454714
https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
https://bugs.debian.org/1130593
https://access.redhat.com/security/cve/CVE-2026-35535
https://access.redhat.com/errata/RHSA-2026:30088
https://access.redhat.com/errata/RHSA-2026:28887
https://access.redhat.com/errata/RHSA-2026:23233
https://access.redhat.com/errata/RHSA-2026:21695
https://access.redhat.com/errata/RHSA-2026:21690
https://access.redhat.com/errata/RHSA-2026:21656
https://access.redhat.com/errata/RHSA-2026:21275
https://access.redhat.com/errata/RHSA-2026:20087
https://access.redhat.com/errata/RHSA-2026:20040
https://access.redhat.com/errata/RHSA-2026:19220
https://access.redhat.com/errata/RHSA-2026:19067
https://access.redhat.com/errata/RHSA-2026:14437
https://access.redhat.com/errata/RHSA-2026:14228
https://access.redhat.com/errata/RHSA-2026:13896
https://access.redhat.com/errata/RHSA-2026:13895
https://access.redhat.com/errata/RHSA-2026:13892
https://access.redhat.com/errata/RHSA-2026:13891
https://access.redhat.com/errata/RHSA-2026:13889
https://access.redhat.com/errata/RHSA-2026:13888
https://access.redhat.com/errata/RHSA-2026:13731
https://access.redhat.com/errata/RHSA-2026:12310