CVE-2025-57809

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Source
https://cve.org/CVERecord?id=CVE-2025-57809
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-57809.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-57809
Aliases
Related
Published
2025-08-25T21:22:00.226Z
Modified
2026-07-15T02:15:52.948615844Z
Severity
  • 7.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
XGrammar affected by Denial of Service by infinite recursion grammars
Details

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.

Database specific 
{
    "cwe_ids": [
        "CWE-674"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/57xxx/CVE-2025-57809.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/mlc-ai/xgrammar

Affected ranges

Type
GIT
Repo
https://github.com/mlc-ai/xgrammar
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
774867ce410ce1c5c7c10011cc0a9e20bd7894e2
Fixed
b943feacb5a1caf4d39de8ec3bf7c7ce066dcee5
Database specific 
{
    "cpe": "cpe:2.3:a:mlc-ai:xgrammar:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.1.21"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.10
v0.1.11
v0.1.12
v0.1.13
v0.1.14
v0.1.15
v0.1.16
v0.1.18
v0.1.19
v0.1.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-57809.json"