CVE-2025-3225 - CVE House
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Status published High CVE-2025-3225

XML Entity Expansion vulnerability in run-llama/llama_index

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

run-llama/llama_index
Vulnerable Versions:
unspecified

Timeline

Official Publish: July 7th, 2025
Last Modified: July 7th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-776

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.