FreeBSD : Multiple vulnerability found in Expat (d06b1fa2-731f-11f1-a0d2-589cfc10a551)

medium Nessus Plugin ID 323688

Synopsis

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

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the d06b1fa2-731f-11f1-a0d2-589cfc10a551 advisory.

Expat 2.8.2 was released yesterday. The key motivation for cutting a release and doing so now was getting security and non-security bugsfixes out to users. On the security side, 13 vulnerabilities have been fixed:

Tenable has extracted the preceding description block directly from the FreeBSD 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.

Plugin Details

Severity: Medium

ID: 323688

File Name: freebsd_pkg_d06b1fa2731f11f1a0d2589cfc10a551.nasl

Version: 1.1

Type: Local

Family: FreeBSD Local Security Checks

Published: 6/29/2026

Updated: 6/29/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.0

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-56412

CVSS v3

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 6

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

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

CVSS Score Source: CVE-2026-56405

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:expat, p-cpe:/a:freebsd:freebsd:linux-c7-expat, p-cpe:/a:freebsd:freebsd:linux-rl9-expat

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 6/28/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-50219, CVE-2026-56131, CVE-2026-56132, CVE-2026-56403, CVE-2026-56404, CVE-2026-56405, CVE-2026-56406, CVE-2026-56407, CVE-2026-56408, CVE-2026-56409, CVE-2026-56410, CVE-2026-56411, CVE-2026-56412

Detections

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