SUSE SLED15 / SLES15 Security Update : cosign (SUSE-SU-2026:2827-1)

critical Nessus Plugin ID 326335

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2827-1 advisory.

This update for cosign fixes the following issues

- CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: multiple issues when parsing HTML files (bsc#1267044).
- CVE-2026-33815: memory-safety vulnerability (bsc#1261811).
- CVE-2026-39827,CVE-2026-39828,CVE-2026-39829,CVE-2026-39830,CVE-2026-39831,CVE-2026-39832,CVE-2026- 39833,CVE-2026-39834,CVE-2026-39835,CVE-2026-42508,CVE-2026-46595,CVE-2026-46597,CVE-2026-46598: Fixed multiple issues in golang.org/x/crypto/ssh (bsc#1266049).

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 cosign, cosign-bash-completion and / or cosign-zsh-completion packages.

Plugin Details

Severity: Critical

ID: 326335

File Name: suse_SU-2026-2827-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/10/2026

Updated: 7/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-33815

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2026-39834

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:cosign-zsh-completion, p-cpe:/a:novell:suse_linux:cosign-bash-completion, p-cpe:/a:novell:suse_linux:cosign, cpe:/o:novell:suse_linux:15

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: 7/9/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-25680, CVE-2026-25681, CVE-2026-27136, CVE-2026-33815, CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-42502, CVE-2026-42506, CVE-2026-42508, CVE-2026-46595, CVE-2026-46597, CVE-2026-46598

SuSE: SUSE-SU-2026:2827-1

Detections

Analytics