Debian dsa-6000 : libcpanel-json-xs-perl - security update

medium Nessus Plugin ID 264576

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 / 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-6000 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6000-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso September 11, 2025 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : libcpanel-json-xs-perl CVE ID : CVE-2025-40929

Michael Hudak discovered a flaw in libcpanel-json-xs-perl, a module for fast and correct serialising to JSON. An integer buffer overflow causing a segfault when parsing specially crafted JSON, may allow an attacker to mount a denial-of-service attack or cause other unspecified impact.

For the oldstable distribution (bookworm), this problem has been fixed in version 4.35-1+deb12u1.

For the stable distribution (trixie), this problem has been fixed in version 4.39-2~deb13u1.

We recommend that you upgrade your libcpanel-json-xs-perl packages.

For the detailed security status of libcpanel-json-xs-perl please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libcpanel-json-xs-perl

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the libcpanel-json-xs-perl packages.

Plugin Details

Severity: Medium

ID: 264576

File Name: debian_DSA-6000.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/11/2025

Updated: 9/11/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2025-40929

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:libcpanel-json-xs-perl, cpe:/o:debian:debian_linux:13.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/11/2025

Vulnerability Publication Date: 9/8/2025

Reference Information

CVE: CVE-2025-40929

Detections

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