An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llama_index repository, specifically affecting version v0.12.21. This vulnerability allows an attacker to supply a malicious Sitemap XML, leading to a Denial of Service (DoS) by exhausting system memory and potentially causing a system crash. The issue is resolved in version v0.12.29.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| llama-index-readers-papers(PyPI) | 0 | 0.3.2 | N/A |
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