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SUSE docker-stable Important API Issues CVE-2026-33747 CVE-2026-33748

suse
Calendar Grey June 1, 2026
Dist Suse Esm H88
An important security update for SUSE docker-stable addresses two critical issues to protect your systems.
An update that solves two vulnerabilities can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory security issue SuSE important insufficient validation docker-stable

References

* bsc#1260967

* bsc#1261078

Cross-

* 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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory security issue SuSE important insufficient validation docker-stable

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