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openSUSE 16: docker / docker-bash-completion / docker-buildx / etc (openSUSE-SU-2026:22158-1)

high Nessus Plugin ID 371819

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22158-1 advisory.

 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> fixes(bsc#1268280, bsc#1268359, bsc#1271209, bsc#1266176)
 - Update to buildx 0.36.1. See upstream changelog online at <https://github.com/docker/buildx/releases/tag/v0.36.1>

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1073877

https://bugzilla.suse.com/1099277

https://bugzilla.suse.com/1262346

https://bugzilla.suse.com/1265782

https://bugzilla.suse.com/1266176

https://bugzilla.suse.com/1266625

https://bugzilla.suse.com/1267827

https://bugzilla.suse.com/1268280

https://bugzilla.suse.com/1268359

https://bugzilla.suse.com/1271209

https://bugzilla.suse.com/1278193

https://www.suse.com/security/cve/CVE-2026-31431

https://www.suse.com/security/cve/CVE-2026-33814

https://www.suse.com/security/cve/CVE-2026-39821

https://www.suse.com/security/cve/CVE-2026-39984

https://www.suse.com/security/cve/CVE-2026-41567

Plugin Details

Severity: High

ID: 371819

File Name: openSUSE-2026-22158-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/25/2026

Updated: 10/25/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Percentile: 99.87

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-33814

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 8.6

Threat Vector: CVSS:4.0/E:A

Vector: 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

CVSS Score Source: CVE-2026-31431

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:docker-bash-completion, p-cpe:/a:novell:opensuse:docker-buildx, p-cpe:/a:novell:opensuse:docker-fish-completion, p-cpe:/a:novell:opensuse:docker-rootless-extras, p-cpe:/a:novell:opensuse:docker-zsh-completion, p-cpe:/a:novell:opensuse:docker

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 4/9/2024

CISA Known Exploited Vulnerability Due Dates: 5/15/2026

Reference Information

CVE: CVE-2026-31431, CVE-2026-33814, CVE-2026-39821, CVE-2026-39984, CVE-2026-41567

IAVA: 2026-A-0631