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Servers and applications

CVE-2024-56171

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.

Severity
Critical 9.8
Published
18 Feb 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.12.10, 2.13.6
Sources
NVD

Affected software

SoftwareAffected versions
libxml2Servers and applications · cpe:a:xmlsoft:libxml2
  • Every version before 2.12.10
  • From 2.13.0 before 2.13.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-56171
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-56171