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    CVE-2025-3225

    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.

    Published:Jul 7, 2025
    Last Modified:Jul 30, 2025
    EPS:Jul 7, 2025
    EPSS Score:0.00083
    CVSS Score:7.5

    Affected Products

    Vendor
    Llamaindex
    Product
    Llamaindex

    Exploits

    https://huntr.com/bounties/e33c0699-e9a2-49aa-837b-5363205637a2

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-197 Exponential Data Expansion

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High