🛡️ CVE-2025-3225
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-776 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-776
Public Exploit ✅ No
Source NVD
Published 2025-07-07
Updated 2026-06-02
Modified 2025-07-08

Affected Packages

Software From version Fixed in
llama-index-readers-papers 0.3.2
llamaindex 0.12.21 0.12.29

Similar Threats

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