Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting llama-index package, versions [,0.12.29)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-LLAMAINDEX-10645575
- published8 Jul 2025
- disclosed7 Jul 2025
- creditElias Hohl
Introduced: 7 Jul 2025
NewCVE-2025-3225 (opens in a new tab)How to fix?
Upgrade llama-index to version 0.12.29 or higher.
Overview
llama-index is an Interface between LLMs and your data
Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') via the parse_sitemap () function. An attacker can exhaust system memory and potentially cause a system crash by supplying a specially crafted XML file containing excessive entity expansions.