SUSE SLED15: openvpn / openvpn-auth-pam-plugin / openvpn-dco / openvpn-dco-devel / etc (SUSE-SU-2026:3596-1)

high Nessus Plugin ID 335070

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-2026:3596-1 advisory.

- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).
- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).
- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).
- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).
- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).
- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).
- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).

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/1267944

https://bugzilla.suse.com/1267945

https://bugzilla.suse.com/1273126

https://bugzilla.suse.com/1273127

https://bugzilla.suse.com/1273128

https://bugzilla.suse.com/1273129

https://bugzilla.suse.com/1273130

https://www.suse.com/security/cve/CVE-2026-11771

https://www.suse.com/security/cve/CVE-2026-12932

https://www.suse.com/security/cve/CVE-2026-12996

https://www.suse.com/security/cve/CVE-2026-13117

https://www.suse.com/security/cve/CVE-2026-13379

https://www.suse.com/security/cve/CVE-2026-35058

https://www.suse.com/security/cve/CVE-2026-40215

http://www.nessus.org/u?c54c28da

Plugin Details

Severity: High

ID: 335070

File Name: suse_SU-2026-3596-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/13/2026

Updated: 8/13/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.61

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-13379

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-12932

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin, p-cpe:/a:novell:suse_linux:openvpn-dco-devel, p-cpe:/a:novell:suse_linux:openvpn-dco, p-cpe:/a:novell:suse_linux:openvpn-devel, p-cpe:/a:novell:suse_linux:openvpn

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: 8/12/2026

Vulnerability Publication Date: 4/22/2026

Reference Information

CVE: CVE-2026-11771, CVE-2026-12932, CVE-2026-12996, CVE-2026-13117, CVE-2026-13379, CVE-2026-35058, CVE-2026-40215

IAVA: 2026-A-0640-S, 2026-A-0662

SuSE: SUSE-SU-2026:3596-1