---
id: CVE-2024-34394
title: >-
  libxmljs2 is vulnerable to a type confusion vulnerability when parsing a
  specially crafted XML while invoking the namespaces() function (which invokes
  XmlNode::get_local_namespaces()) on a grand-child of a node that refers to an
  entity
summary: >-
  libxmljs2 is vulnerable to a type confusion vulnerability when parsing a
  specially crafted XML while invoking the namespaces() function (which invokes
  XmlNode::get_local_namespaces()) on a grand-child of a node that refers to an
  entity. …
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-843
product: libxmljs2
affected:
  - libxmljs2 <= 0.37.0
published: '2024-05-02'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T10:16:38.343'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-34394'
references:
  - url: 'https://github.com/marudor/libxmljs2/issues/205'
    label: reefs@jfrog.com
  - url: >-
      https://research.jfrog.com/vulnerabilities/libxmljs2-namespaces-type-confusion-rce-jfsa-2024-001034098/
    label: reefs@jfrog.com
  - url: 'https://github.com/marudor/libxmljs2/issues/205'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://research.jfrog.com/vulnerabilities/libxmljs2-namespaces-type-confusion-rce-jfsa-2024-001034098/
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00997
epssPercentile: 0.6142
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2024-05-02T19:57:23.256207Z'
ingestedAt: '2026-10-03T09:42:13.791Z'
---

## Overview

libxmljs2 is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking the namespaces() function (which invokes XmlNode::get_local_namespaces()) on a grand-child of a node that refers to an entity. This vulnerability can lead to denial of service and remote code execution.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.