ESB-2026.7669

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.7669 Security update for docker 9 July 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: docker Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-41567 CVE-2026-39984 CVE-2026-33814 CVE-2026-39821 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-202622513-1 Comment: CVSS (Max): 9.6 CVE-2026-39821 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N) CVSS Source: redhat-SADP, GitHub, [CISA-ADP], NIST Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N EPSS (Max): 0.8% (51st) CVE-2026-33814 2026-07-08 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for docker Announcement ID: SUSE-SU-2026:22513-1 Release Date: 2026-07-02T18:48:26Z Rating: important o bsc#1262346 o bsc#1265782 References: o bsc#1266625 o bsc#1267827 o CVE-2026-33814 o CVE-2026-39821 Cross-References: o CVE-2026-39984 o CVE-2026-41567 o 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 o 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 o 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 o 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 o 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 o 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 o 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 CVSS scores: o 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 o 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 o 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 o 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 o 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 o 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 o 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 o SUSE Linux Micro 6.0 Products: An update that solves four vulnerabilities can now be installed. Description: This update for docker fixes the following issues o CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265782). o 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). o CVE-2026-39984: github.com/sigstore/timestamp-authority/v2/pkg/ verification: improper certificate validation can be used to bypass some authorization controls (bsc#1262346). o CVE-2026-41567: arbitrary code execution with full daemon privileges when a user uploads a compressed archive into that container (bsc#1267827). 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: o SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-778=1 Package List: o SUSE Linux Micro 6.0 (aarch64 s390x x86_64) docker-buildx-0.33.0-11.1 docker-debuginfo-29.4.0_ce-11.1 docker-29.4.0_ce-11.1 References: o https://www.suse.com/security/cve/CVE-2026-33814.html o https://www.suse.com/security/cve/CVE-2026-39821.html o https://www.suse.com/security/cve/CVE-2026-39984.html o https://www.suse.com/security/cve/CVE-2026-41567.html o https://bugzilla.suse.com/show_bug.cgi?id=1262346 o https://bugzilla.suse.com/show_bug.cgi?id=1265782 o https://bugzilla.suse.com/show_bug.cgi?id=1266625 o https://bugzilla.suse.com/show_bug.cgi?id=1267827 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================