SUSE-SU-2026:24318-1: important: Security update for docker
SLE-SECURITY-UPDATES
null at suse.de
Mon Oct 26 08:37:20 UTC 2026
# Security update for docker
Announcement ID: SUSE-SU-2026:24318-1
Release Date: 2026-10-13T09:29:42Z
Rating: important
References:
* bsc#1073877
* bsc#1099277
* bsc#1262346
* bsc#1265782
* bsc#1266625
* bsc#1267827
* bsc#1278193
Cross-References:
* CVE-2026-33814
* CVE-2026-39821
* CVE-2026-39984
* CVE-2026-41567
CVSS scores:
* CVE-2026-33814 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39821 ( SUSE ): 9.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-39821 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39821 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
* CVE-2026-39821 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
* CVE-2026-39984 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-39984 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
* CVE-2026-39984 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
* CVE-2026-41567 ( SUSE ): 7.2 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
* CVE-2026-41567 ( NVD ): 7.2 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
* CVE-2026-41567 ( NVD ): 7.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Affected Products:
* SUSE Linux Micro 6.0
An update that solves four vulnerabilities and has three fixes can now be
installed.
## Description:
This update for docker fixes the following issues:
Security issues fixed:
* CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport
when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265782).
* CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only
Punycode-encoded labels allows for validation bypass and privilege
escalation (bsc#1266625).
* CVE-2026-39984: github.com/sigstore/timestamp-authority/v2/pkg/verification:
improper certificate validation can be used to bypass some authorization
controls (bsc#1262346).
* CVE-2026-41567: arbitrary code execution with full daemon privileges when a
user uploads a compressed archive into that container (bsc#1267827).
Non security issue fixed:
* SELinux CIL files are not shipped in Docker (bsc#1278193).
Changes for docker:
* Update to Docker 29.7.2. See upstream changelog online at
<https://docs.docker.com/engine/release-notes/29/#2972>
* Update to buildx 0.36.1. See upstream changelog online at
<https://github.com/docker/buildx/releases/tag/v0.36.1>
## 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 6.0
zypper in -t patch SUSE-SLE-Micro-6.0-930
## Package List:
* SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
* docker-buildx-0.36.1-159998.1.1
* docker-29.7.2_ce-159998.1.1
* docker-debuginfo-29.7.2_ce-159998.1.1
## References:
* https://www.suse.com/security/cve/CVE-2026-33814.html
* https://www.suse.com/security/cve/CVE-2026-39821.html
* https://www.suse.com/security/cve/CVE-2026-39984.html
* https://www.suse.com/security/cve/CVE-2026-41567.html
* https://bugzilla.suse.com/show_bug.cgi?id=1073877
* https://bugzilla.suse.com/show_bug.cgi?id=1099277
* https://bugzilla.suse.com/show_bug.cgi?id=1262346
* https://bugzilla.suse.com/show_bug.cgi?id=1265782
* https://bugzilla.suse.com/show_bug.cgi?id=1266625
* https://bugzilla.suse.com/show_bug.cgi?id=1267827
* https://bugzilla.suse.com/show_bug.cgi?id=1278193
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