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Vulnerability DatabaseCVE-2024-56171

CVE-2024-56171: 
Rocky Linux vulnerability analysis and mitigation

Overview

A use-after-free vulnerability (CVE-2024-56171) was discovered in libxml2, affecting versions before 2.12.10 and 2.13.x before 2.13.6. The vulnerability exists in the xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables functions within xmlschemas.c. This security flaw was disclosed on February 18, 2025, and has been assigned a CVSS score of 7.8 (High) (SecurityOnline, NVD).

Technical details

The vulnerability is characterized by a use-after-free condition in the xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables functions within the xmlschemas.c file. The CVSS vector string is CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N, indicating local access, high attack complexity, no privileges required, no user interaction, and potential for high confidentiality and integrity impact (NVD).

Impact

The vulnerability can potentially lead to arbitrary code execution when exploited successfully. The impact is particularly significant as libxml2 is a widely used XML parsing library implemented across various platforms including Linux, Windows, macOS, and Unix-based systems (SecurityOnline).

Mitigation and workarounds

Users are strongly advised to update to libxml2 versions 2.12.10 or 2.13.6, which contain fixes for this vulnerability. Major Linux distributions have released security updates to address this issue, including Red Hat Enterprise Linux 9 and Ubuntu (Red Hat, Ubuntu).

Additional resources

Source: This report was generated using AI

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