Use After Free Affecting nokogiri package, versions <1.18.3
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RUBY-NOKOGIRI-8732779
- published19 Feb 2025
- disclosed18 Feb 2025
- creditUnknown
Introduced: 18 Feb 2025
NewCVE-2024-56171 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade nokogiri to version 1.18.3 or higher.
Overview
nokogiri is a gem for parsing HTML, XML, SAX, and Reader.
Affected versions of this package are vulnerable to Use After Free in the xmlSchemaItemListAdd() function in xmlschemas.c, which is exploitable by supplying a malicious .xsd schema for validation. it may also be exploitable when an xsd:keyref is provided in combination with recursively defined types that have additional identity constraints, for validation against a non malicious schema.