Debian dla-4666 : openvpn - security update

critical Nessus Plugin ID 325054

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4666 advisory.

- ----------------------------------------------------------------------- Debian LTS Advisory DLA-4666-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta July 04, 2026 https://wiki.debian.org/LTS
- -----------------------------------------------------------------------

Package : openvpn Version : 2.6.14-0+deb12u2 CVE ID : CVE-2026-11771 CVE-2026-12932 CVE-2026-12996 CVE-2026-13117 CVE-2026-13122 CVE-2026-13698

Multiple security vulnerabilities were discovered in OpenVPN, which could result in denial of service.

For Debian 12 bookworm, these problems have been fixed in version 2.6.14-0+deb12u2.

We recommend that you upgrade your openvpn packages.

For the detailed security status of openvpn please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/openvpn

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the openvpn packages.

See Also

https://packages.debian.org/source/bookworm/openvpn

https://security-tracker.debian.org/tracker/CVE-2026-11771

https://security-tracker.debian.org/tracker/CVE-2026-12932

https://security-tracker.debian.org/tracker/CVE-2026-12996

https://security-tracker.debian.org/tracker/CVE-2026-13117

https://security-tracker.debian.org/tracker/CVE-2026-13122

https://security-tracker.debian.org/tracker/CVE-2026-13698

https://security-tracker.debian.org/tracker/source-package/openvpn

Plugin Details

Severity: Critical

ID: 325054

File Name: debian_DLA-4666.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/3/2026

Updated: 7/3/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.64

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-13698

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:H/I:N/A:H

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:openvpn

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 7/4/2026

Vulnerability Publication Date: 7/1/2026

Reference Information

CVE: CVE-2026-11771, CVE-2026-12932, CVE-2026-12996, CVE-2026-13117, CVE-2026-13122, CVE-2026-13698