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SUSE SLES12 Security Update : strongswan (SUSE-SU-2026:1307-1)

high Nessus Plugin ID 306502

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1307-1 advisory.

 This update for strongswan fixes the following issue:

 - CVE-2026-25075: integer underflow when handling EAP-TTLS AVP (bsc#1259472).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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.

See Also

https://bugzilla.suse.com/1259472

https://www.suse.com/security/cve/CVE-2026-25075

https://lists.suse.com/pipermail/sle-updates/2026-April/045519.html

Plugin Details

Severity: High

ID: 306502

File Name: suse_SU-2026-1307-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/15/2026

Updated: 4/15/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2026-25075

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:strongswan-hmac, p-cpe:/a:novell:suse_linux:strongswan-doc, p-cpe:/a:novell:suse_linux:strongswan-ipsec, p-cpe:/a:novell:suse_linux:strongswan, p-cpe:/a:novell:suse_linux:strongswan-libs0

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: 4/14/2026

Vulnerability Publication Date: 3/23/2026

Reference Information

CVE: CVE-2026-25075

SuSE: SUSE-SU-2026:1307-1