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Ubuntu 22.04 LTS / 24.04 LTS / 25.04 : JSON-XS vulnerability (USN-7750-1)

high Nessus Plugin ID 265087

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 host has a package installed that is affected by a vulnerability as referenced in the USN-7750-1 advisory.

 It was discovered that JSON-XS incorrectly handled parsing certain JSON data. An attacker could possibly use this issue to cause JSON-XS to crash, resulting in a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu 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 libjson-xs-perl package.

See Also

https://ubuntu.com/security/notices/USN-7750-1

Plugin Details

Severity: High

ID: 265087

File Name: ubuntu_USN-7750-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/16/2025

Updated: 9/16/2025

Supported Sensors: Nessus Agent, Continuous Assessment, 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-2025-40928

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libjson-xs-perl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 9/8/2025

Reference Information

CVE: CVE-2025-40928

USN: 7750-1