{"schema_version":"1.7.5","id":"PYSEC-2026-1812","published":"2026-07-07T11:45:38.517274Z","modified":"2026-07-07T17:48:03.529509569Z","aliases":["CVE-2024-3772","GHSA-mr82-8j83-vxmv"],"summary":"Pydantic regular expression denial of service","details":"Regular expression denial of service in Pydantic < 2.4.0, < 1.10.13 allows remote attackers to cause denial of service via a crafted email string.","affected":[{"package":{"name":"pydantic","ecosystem":"PyPI","purl":"pkg:pypi/pydantic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.13"},{"introduced":"2.0.0"},{"fixed":"2.4.0"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.1","0.10","0.11","0.11.1","0.11.2","0.12","0.12.1","0.13","0.13.1","0.14","0.15","0.16","0.16.1","0.17","0.18","0.18.1","0.18.2","0.19","0.2","0.2.1","0.20","0.20.1","0.20a1","0.21","0.22","0.23","0.24","0.25","0.26","0.27","0.27a1","0.28","0.29","0.3","0.30","0.30.1","0.31","0.31.1","0.32","0.32.1","0.32.2","0.4","0.5","0.6","0.6.1","0.6.2","0.6.3","0.6.4","0.7","0.7.1","0.8","0.9","0.9.1","1.0","1.0b1","1.0b2","1.1","1.1.1","1.10.0","1.10.0a1","1.10.0a2","1.10.0b1","1.10.1","1.10.10","1.10.11","1.10.12","1.10.2","1.10.3","1.10.4","1.10.5","1.10.6","1.10.7","1.10.8","1.10.9","1.2","1.3","1.4","1.5","1.5.1","1.6","1.6.1","1.6.2","1.7","1.7.1","1.7.2","1.7.3","1.7.4","1.8","1.8.1","1.8.2","1.9.0","1.9.0a1","1.9.0a2","1.9.1","1.9.2","2.0","2.0.1","2.0.2","2.0.3","2.1.0","2.1.1","2.2.0","2.2.1","2.3.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pydantic/PYSEC-2026-1812.yaml"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3772"},{"type":"WEB","url":"https://github.com/pydantic/pydantic/pull/7360"},{"type":"WEB","url":"https://github.com/pydantic/pydantic/commit/59d8f38fd6220e3917c53785dbc70317d6f8e631"},{"type":"WEB","url":"https://github.com/pydantic/pydantic/commit/e4393ae6145c4dadff739990bb0116c6dec3441b"},{"type":"PACKAGE","url":"https://github.com/pydantic/pydantic"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JBZLMSH4GAZOVBMT2JUO2LXHY7M2ALI"},{"type":"PACKAGE","url":"https://pypi.org/project/pydantic"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-mr82-8j83-vxmv"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}