{"id":"PYSEC-2023-23","details":"Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 characters as input.","aliases":["CVE-2023-26302","GHSA-jrwr-5x3p-hvc3"],"modified":"2026-06-10T17:02:03.233399984Z","published":"2023-02-22T23:15:00Z","references":[{"type":"FIX","url":"https://github.com/executablebooks/markdown-it-py/commit/53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-jrwr-5x3p-hvc3"}],"affected":[{"package":{"name":"markdown-it-py","ecosystem":"PyPI","purl":"pkg:pypi/markdown-it-py"},"ranges":[{"type":"GIT","repo":"https://github.com/executablebooks/markdown-it-py","events":[{"introduced":"0"},{"fixed":"53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0"}]}],"versions":["0.1.0","0.1.1","0.2.0","0.2.1","0.2.2","0.2.3","0.3.0","0.3.1","0.3.2","0.3.3","0.4.0","0.4.1","0.4.2","0.4.3","0.4.4","0.4.5","0.4.6","0.4.7","0.4.8","0.4.9","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.5.8","0.6.0","0.6.1","0.6.2","1.0.0","1.0.0b1","1.0.0b2","1.0.0b3","1.1.0","2.0.0","2.0.1","2.1.0","v2.1.0","v2.0.1","v2.0.0","v1.1.0","v1.0.0","v1.0.0b3","v1.0.0b2","v1.0.0b1","v0.6.2","v0.6.1","v0.6.0","v0.5.8","v0.5.7","v0.5.6","v0.5.5","v0.5.4","v0.5.3","v0.5.2","v0.5.1","v0.5.0","v0.4.9","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.3","v0.2.2","v0.2.1","v0.2.0","v0.1.1d","v0.1.1c","v0.1.1b","v0.1.1a","v0.1.1","v0.1.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/markdown-it-py/PYSEC-2023-23.yaml"}}],"schema_version":"1.7.5"}