SUSE-SU-2026:1309-1: important: Security update for sudo

[SLE-UPDATES]

# Security update for sudo

Announcement ID: SUSE-SU-2026:1309-1  
Release Date: 2026-04-14T10:39:43Z  
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:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for sudo fixes the following issue:

  * CVE-2026-35535: Fixed potential privilege escalation when running the mailer
    (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 Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1309=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1309=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1309=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1309=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1309=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1309=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1309=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1309=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1309=1

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
    * sudo-devel-1.9.9-150400.4.42.1
    * sudo-1.9.9-150400.4.42.1
    * sudo-plugin-python-1.9.9-150400.4.42.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
    * sudo-devel-1.9.9-150400.4.42.1
    * sudo-test-1.9.9-150400.4.42.1
    * sudo-1.9.9-150400.4.42.1
    * sudo-plugin-python-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * sudo-1.9.9-150400.4.42.1
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * sudo-1.9.9-150400.4.42.1
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * sudo-1.9.9-150400.4.42.1
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * sudo-1.9.9-150400.4.42.1
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
    * sudo-devel-1.9.9-150400.4.42.1
    * sudo-1.9.9-150400.4.42.1
    * sudo-plugin-python-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
    * sudo-devel-1.9.9-150400.4.42.1
    * sudo-1.9.9-150400.4.42.1
    * sudo-plugin-python-1.9.9-150400.4.42.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * sudo-debuginfo-1.9.9-150400.4.42.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.42.1
    * sudo-debugsource-1.9.9-150400.4.42.1
    * sudo-devel-1.9.9-150400.4.42.1
    * sudo-1.9.9-150400.4.42.1
    * sudo-plugin-python-1.9.9-150400.4.42.1

## References:

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

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