FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

libxml2 -- Use After Free

Affected packages
		libxml2	<	2.11.9_1
2.12.0	<=	libxml2	<	2.12.10
2.13.0	<=	libxml2	<	2.13.6

Details

VuXML ID	bd2af307-3e50-11f0-95d4-00a098b42aeb
Discovery	2025-02-18
Entry	2025-05-31

cve@mitre.org reports:

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.

[source]

References

CVE Name	CVE-2024-56171
URL	https://nvd.nist.gov/vuln/detail/CVE-2024-56171