CVE-2025-71346
Nokogiri before 1.18.8 packages a vulnerable version of libxml2 (before 2.13.8) that contains a heap-based buffer under-read (CVE-2025-32415) in the xmlSchemaIDCFillNodeTables function in xmlschemas.c. The issue can be triggered when validating against an untrusted XML Schema, or when validating untrusted documents against trusted schemas that use xsd:keyref in combination with recursively defined types that have additional identity constraints. Upstream and MITRE rate this issue as low severity.
- CVSS 4.0
- 8.7 HIGH
- CVSS 3.1
- 2.9 LOW
- EPSS
- 0.2% (8th percentile)
- Weakness
- CWE-125
- NVD status
- Awaiting Analysis
- Published
- 2026-08-25
CVE-2025-71346 at NVD
No indexed exploits for CVE-2025-71346 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2025-71346 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.