CVE-2025-57809

EUVD-2025-28633
XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.21, XGrammar has an infinite recursion issue in the grammar. This issue has been resolved in version 0.1.21.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
mlc-aixgrammar
𝑥
< 0.1.21
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/mlc-ai/xgrammar/commit/b943feacb5a1caf4d39de8ec3bf7c7ce066dcee5
https://github.com/mlc-ai/xgrammar/issues/250
https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-5cmr-4px5-23pc