CVE-2025-58446

xgrammar is an open-source library for efficient, flexible, and portable structured generation. A grammar optimizer introduced in 0.1.23 processes large grammars 100k characters at very low rates, and can be used for DOS of model providers. This issue is fixed in version 0.1.24...

CVE-2025-58446 xgrammar vulnerable to denial of service by huge enum grammar

xgrammar is an open-source library for efficient, flexible, and portable structured generation. A grammar optimizer introduced in 0.1.23 processes large grammars 100k characters at very low rates, and can be used for DOS of model providers. This issue is fixed in version 0.1.24...