CVE-2025-57809CWE-674

XGrammar affected by Denial of Service by infinite recursion grammars

High · published August 25, 2025

CVSS v4.0
7.7
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00466 · 39.3th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2025-08-25T21:22Z
EPSS history
Timeline
  • 25 AUG 21:22Z
    XGrammar affected by Denial of Service by infinite recursion grammars
    cvelistv5