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. CREATE(Triage):(User=admin) CVE-2024-56171 (https://nvd.nist.gov/vuln/detail/CVE-2024-56171)
