Linux Distros Unpatched Vulnerability : CVE-2023-52425

high Nessus Plugin ID 226796

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed. (CVE-2023-52425)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 226796

File Name: unpatched_CVE_2023_52425.nasl

Version: 1.7

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

Updated: 10/27/2025

Supported Sensors: Agentless 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: Medium

Base Score: 5

Temporal Score: 4.5

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

CVSS Score Source: CVE-2023-52425

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7.1

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:P/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:cableswig, p-cpe:/a:canonical:ubuntu_linux:cadaver, p-cpe:/a:canonical:ubuntu_linux:coin3, p-cpe:/a:canonical:ubuntu_linux:ayttm, p-cpe:/a:centos:centos:firefox-x11, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:canonical:ubuntu_linux:vtk, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:thunderbird, cpe:/o:centos:centos:8, p-cpe:/a:canonical:ubuntu_linux:vnc4, p-cpe:/a:canonical:ubuntu_linux:xmlrpc-c, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:canonical:ubuntu_linux:matanza, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:expat, p-cpe:/a:centos:centos:firefox, p-cpe:/a:canonical:ubuntu_linux:tdom, p-cpe:/a:redhat:enterprise_linux:firefox-x11, p-cpe:/a:canonical:ubuntu_linux:wbxml2, p-cpe:/a:canonical:ubuntu_linux:insighttoolkit4, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:centos:centos:7, p-cpe:/a:debian:debian_linux:libxmltok, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:swish-e, p-cpe:/a:centos:centos:thunderbird, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libxmltok, p-cpe:/a:redhat:enterprise_linux:firefox

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2/4/2024

Reference Information

CVE: CVE-2023-52425

Detections

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