Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-3381)

critical Nessus Plugin ID 301933

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-3381 advisory.

- Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib.
Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.
(CVE-2026-3381)

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

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 301933

File Name: azure_linux_CVE-2026-3381.nasl

Version: 1.1

Type: local

Family: Azure Linux Local Security Checks

Published: 3/12/2026

Updated: 3/12/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

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-2026-3381

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:zlib, x-cpe:/o:microsoft:azure_linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/5/2026

Reference Information

CVE: CVE-2026-3381

Detections

Analytics