SUSE-SU-2026:21252-1: important: Security update for sudo

[SLE-UPDATES]

# Security update for sudo

Announcement ID: SUSE-SU-2026:21252-1  
Release Date: 2026-04-16T12:53:36Z  
Rating: important  
References:

  * bsc#1261420

  
Cross-References:

  * CVE-2026-35535

  
CVSS scores:

  * CVE-2026-35535 ( SUSE ):  7.5
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-35535 ( SUSE ):  7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-35535 ( NVD ):  7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for sudo fixes the following issues:

  * CVE-2026-35535: unhandled failure of `setuid`, `setgid` or `setgroups` calls
    during a mailer privilege drop allows for local privilege escalation
    (bsc#1261420).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-491=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * sudo-debugsource-1.9.15p5-slfo.1.1_3.1
    * sudo-1.9.15p5-slfo.1.1_3.1
    * sudo-debuginfo-1.9.15p5-slfo.1.1_3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-35535.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261420

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