CVE-2025-3225
XML Entity Expansion vulnerability in run-llama/llama_index
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-04-03 CVE Reserved
- 2025-07-07 CVE Published
- 2025-07-07 CVE Updated
- 2025-08-18 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://github.com/run-llama/llama_index/commit/4f6ee062b19212106a2632af9c9521fc7f0a3584 | ||
| https://huntr.com/bounties/e33c0699-e9a2-49aa-837b-5363205637a2 |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Llamaindex Search vendor "Llamaindex" | Llamaindex Search vendor "Llamaindex" for product "Llamaindex" | * | - |
Affected
| ||||||