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://cert-portal.siemens.com/productcert/html/ssa-253495.html

https://www.helpnetsecurity.com/2026/05/18/debian-13-5-released/

https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html

https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69

https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042

https://bugs.debian.org/1130593

Details

Source: Mitre, NVD

Published: 2026-04-03

Updated: 2026-06-04

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00004