CVE-2025-3225

Public Exploit
XML Entity Expansion vulnerability in run-llama/llama_index

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
EPSS 0.04%
Third-Party Advisory huntr.com
Affected: run-llama run-llama/llama_index
Published at:
Updated at:

References

Link Tags
https://huntr.com/bounties/e33c0699-e9a2-49aa-837b-5363205637a2 third party advisory exploit
https://github.com/run-llama/llama_index/commit/4f6ee062b19212106a2632af9c9521fc7f0a3584 patch

Frequently Asked Questions

What is the severity of CVE-2025-3225?
CVE-2025-3225 has been scored as a high severity vulnerability.
How to fix CVE-2025-3225?
To fix CVE-2025-3225, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3225 being actively exploited in the wild?
It is possible that CVE-2025-3225 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3225?
CVE-2025-3225 affects run-llama run-llama/llama_index.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.