SUSE alert openSUSE-SU-2026:20814-1 (docker-stable)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20814-1: important: Security update for docker-stable
Date:
             
 
Thu, 28 May 2026 17:51:44 +0200
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<20260528155144.7CFBCFCF8@maintenance.suse.de>
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Article
openSUSE security update: security update for docker-stable
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20814-1
Rating: important
References:

  * bsc#1260967
  * bsc#1261078



Cross-References:

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



CVSS scores:

  * 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 ( 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-2026-33748 ( 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 ( 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 2 vulnerabilities and has 2 bug fixes 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 openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-804=1

Package List:

- openSUSE Leap 16.0:

  docker-stable-24.0.9_ce-160000.5.1
  docker-stable-bash-completion-24.0.9_ce-160000.5.1
  docker-stable-buildx-0.25.0-160000.5.1
  docker-stable-fish-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

References:

  * https://www.suse.com/security/cve/CVE-2026-33747.html
  * https://www.suse.com/security/cve/CVE-2026-33748.html