CVE-2025-3225
July 07, 2025
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.
Affected Packages
https://github.com/run-llama/llama_index.git (GITHUB):
Affected version(s) >=v0.10.0 <v0.12.29Fix Suggestion:
Update to version v0.12.29llama-index-readers-web (PYTHON):
Affected version(s) >=0.0.1 <0.3.9Fix Suggestion:
Update to version 0.3.9llama-index-readers-papers (PYTHON):
Affected version(s) >=0.0.1 <0.3.2Fix Suggestion:
Update to version 0.3.2llama-index-readers-stripe-docs (PYTHON):
Affected version(s) >=0.0.1 <0.3.1Fix Suggestion:
Update to version 0.3.1Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
EPSS
Base Score:
0.12
