CVE-2024-56171: Use After Free
First published: Tue Feb 18 2025(Updated: )
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxml2 | <2.12.10>2.13.0<=2.13.6 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-56171?
CVE-2024-56171 has a high severity due to the potential for exploitation through crafted XML documents.
How do I fix CVE-2024-56171?
To fix CVE-2024-56171, upgrade libxml2 to version 2.12.10 or 2.13.6 or later.
What versions of libxml2 are affected by CVE-2024-56171?
CVE-2024-56171 affects libxml2 versions before 2.12.10 and 2.13.0 through 2.13.5.
Can CVE-2024-56171 be exploited remotely?
Yes, CVE-2024-56171 can be exploited remotely if a vulnerable version processes untrusted XML documents.
What types of applications are at risk from CVE-2024-56171?
Applications that use affected versions of libxml2 for XML processing and validation are at risk from CVE-2024-56171.
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/weakness
- agent/type
- agent/first-publish-date
- agent/description
- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/author
- agent/source
- agent/trending
- agent/tags
- collector/nvd-api
- source/NVD
- agent/severity
- agent/last-modified-date
- agent/event
- vendor/gnome
- canonical/libxml2