Vulnerability Information
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Vulnerability Title
Denial of Service by abusing xgrammar unbounded cache in memory
Vulnerability Description
XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to 0.1.18, Xgrammar includes a cache for compiled grammars to increase performance with repeated use of the same grammar. This cache is held in memory. Since the cache is unbounded, a system making use of xgrammar can be abused to fill up a host's memory and case a denial of service. For example, sending many small requests to an LLM inference server with unique JSON schemas would eventually cause this denial of service to occur. This vulnerability is fixed in 0.1.18.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
XGrammar 安全漏洞
Vulnerability Description
XGrammar是mlc-ai开源的一个快速、灵活、便携的结构化生成工具。 XGrammar 0.1.18之前版本存在安全漏洞，该漏洞源于无限制缓存可能导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A