SUSE-SU-2026:21851-1: important: Security update for docker-stable

[SLE-UPDATES]

# Security update for docker-stable

Announcement ID: SUSE-SU-2026:21851-1  
Release Date: 2026-05-26T12:21:52Z  
Rating: important  
References:

  * bsc#1260967
  * bsc#1261078

  
Cross-References:

  * CVE-2026-33747
  * CVE-2026-33748

  
CVSS scores:

  * CVE-2026-33747 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-33747 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-33747 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-33747 ( NVD ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-33748 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-33748 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-33748 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-33748 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for docker-stable fixes the following issues

  * CVE-2026-33747: github.com/moby/buildkit: malicious frontends can craft API
    messages that cause files to be written outside of the BuildKit state
    directory (bsc#1260967).
  * CVE-2026-33748: github.com/moby/buildkit: insufficient validation of Git URL
    fragment subdir components may allow access to files outside the checked-out
    Git repository (bsc#1261078).

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-804=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-804=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * docker-stable-buildx-debuginfo-0.25.0-160000.5.1
    * docker-stable-buildx-0.25.0-160000.5.1
    * docker-stable-24.0.9_ce-160000.5.1
    * docker-stable-debuginfo-24.0.9_ce-160000.5.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * docker-stable-bash-completion-24.0.9_ce-160000.5.1
    * docker-stable-rootless-extras-24.0.9_ce-160000.5.1
    * docker-stable-zsh-completion-24.0.9_ce-160000.5.1
    * docker-stable-fish-completion-24.0.9_ce-160000.5.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * docker-stable-buildx-debuginfo-0.25.0-160000.5.1
    * docker-stable-buildx-0.25.0-160000.5.1
    * docker-stable-24.0.9_ce-160000.5.1
    * docker-stable-debuginfo-24.0.9_ce-160000.5.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * docker-stable-bash-completion-24.0.9_ce-160000.5.1
    * docker-stable-rootless-extras-24.0.9_ce-160000.5.1
    * docker-stable-zsh-completion-24.0.9_ce-160000.5.1
    * docker-stable-fish-completion-24.0.9_ce-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-33747.html
  * https://www.suse.com/security/cve/CVE-2026-33748.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260967
  * https://bugzilla.suse.com/show_bug.cgi?id=1261078

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