Debian dla-4309 : libxslt1-dev - security update

medium Nessus Plugin ID 265923

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4309 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4309-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin September 25, 2025 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : libxslt Version : 1.1.34-4+deb11u3 CVE ID : CVE-2023-40403 CVE-2025-7424 Debian Bug : 1108074 1109123

Two vulnerabilities were found in libxslt, an XSLT 1.0 processing library, which could lead to to denial of service or information disclosure.

CVE-2023-40403

It was discovered that the generate-id() function could return deterministic values and could leak the memory layout of different XML objects, which might lead to information disclosure.

CVE-2025-7424

Ivan Fratric discovered a type confusion vulnerability in xmlNode.psvi between stylesheet and source nodes. which could lead to application crash.

For Debian 11 bullseye, these problems have been fixed in version 1.1.34-4+deb11u3.

We recommend that you upgrade your libxslt packages.

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

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the libxslt1-dev packages.

Plugin Details

Severity: Medium

ID: 265923

File Name: debian_DLA-4309.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/25/2025

Updated: 9/25/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:C/I:N/A:N

CVSS Score Source: CVE-2023-40403

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libxslt1-dev, p-cpe:/a:debian:debian_linux:xsltproc, p-cpe:/a:debian:debian_linux:libxslt1.1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2025

Vulnerability Publication Date: 9/26/2023

Reference Information

CVE: CVE-2023-40403, CVE-2025-7424

Detections

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