PT-2026-29973 · Sudo · Sudo

Published 2026-04-03 · Updated 2026-04-03 · CVE-2026-35535

Mitre

CVSS v3.1

7.4

High

AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Weakness Enumeration

CWE-271

Related Identifiers

CVE-2026-35535

Affected Products

Sudo

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-35535 · Security Note
• https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042 · Note
• https://qualys.com/2026/03/10/crack-armor.txt · Note
• https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69 · Note
• https://bugs.debian.org/1130593 · Note