openSUSE 16: docker / docker-bash-completion / docker-buildx / etc (openSUSE-SU-2026:21060-1)

high Nessus Plugin ID 324067

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-2026:21060-1 advisory.

This update for docker fixes the following issues

- 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).

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.

Plugin Details

Severity: High

ID: 324067

File Name: openSUSE-2026-21060-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/1/2026

Updated: 7/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.18

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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: 6.5

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:U/RL:O/RC:C

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/25/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

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

Detections

Analytics