{"id":"PYSEC-2026-2322","details":"xgrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.32, the multi-level nested syntax caused a segmentation fault (core dumped). This issue has been patched in version 0.1.32.","aliases":["CVE-2026-25048","GHSA-7rgv-gqhr-fxg3"],"modified":"2026-07-13T07:15:49.592498840Z","published":"2026-03-05T16:16:15.853Z","references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-25048"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25048.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24977"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:5809"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:6761"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:6762"},{"type":"ADVISORY","url":"https://github.com/mlc-ai/xgrammar/releases/tag/v0.1.32"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2444840"},{"type":"EVIDENCE","url":"https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-7rgv-gqhr-fxg3"}],"affected":[{"package":{"name":"xgrammar","ecosystem":"PyPI","purl":"pkg:pypi/xgrammar"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.32"}]}],"versions":["0.1.0","0.1.1","0.1.10","0.1.11","0.1.12","0.1.13","0.1.14","0.1.15","0.1.16","0.1.17","0.1.18","0.1.19","0.1.2","0.1.20","0.1.21","0.1.22","0.1.23","0.1.24","0.1.25","0.1.26","0.1.27","0.1.28","0.1.29","0.1.3","0.1.30","0.1.31","0.1.4","0.1.4rc2","0.1.5","0.1.5rc1","0.1.6","0.1.7","0.1.8","0.1.9"],"ecosystem_specific":{},"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/xgrammar/PYSEC-2026-2322.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}