SUSE-SU-2026:21292-1: moderate: Security update for Mesa

[SLE-SECURITY-UPDATES]

# Security update for Mesa

Announcement ID: SUSE-SU-2026:21292-1  
Release Date: 2026-04-23T12:57:06Z  
Rating: moderate  
References:

  * bsc#1261998

  
Cross-References:

  * CVE-2026-40393

  
CVSS scores:

  * CVE-2026-40393 ( SUSE ):  6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
  * CVE-2026-40393 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-40393 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/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 Mesa fixes the following issue:

  * CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the
    amount of to-be-allocated data depends on an untrusted party (bsc#1261998).

## 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-6.1-504=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * Mesa-23.3.4-slfo.1.1_3.1
    * Mesa-libEGL1-23.3.4-slfo.1.1_3.1
    * Mesa-drivers-debugsource-23.3.4-slfo.1.1_3.1
    * Mesa-libGL1-debuginfo-23.3.4-slfo.1.1_3.1
    * libgbm1-debuginfo-23.3.4-slfo.1.1_3.1
    * Mesa-libglapi0-23.3.4-slfo.1.1_3.1
    * Mesa-libGL1-23.3.4-slfo.1.1_3.1
    * Mesa-dri-debuginfo-23.3.4-slfo.1.1_3.1
    * Mesa-debugsource-23.3.4-slfo.1.1_3.1
    * Mesa-libEGL1-debuginfo-23.3.4-slfo.1.1_3.1
    * libgbm1-23.3.4-slfo.1.1_3.1
    * Mesa-libglapi0-debuginfo-23.3.4-slfo.1.1_3.1
    * Mesa-dri-23.3.4-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (aarch64 ppc64le x86_64)
    * Mesa-gallium-debuginfo-23.3.4-slfo.1.1_3.1
    * Mesa-gallium-23.3.4-slfo.1.1_3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40393.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261998

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