{"id":"CVE-2023-26302","summary":"markdown-it-py CLI crash on invalid UTF-8 characters","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":["GHSA-jrwr-5x3p-hvc3","PYSEC-2023-23"],"modified":"2026-08-12T03:51:35.378459569Z","published":"2023-02-22T22:02:35.556Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26302.json","cna_assigner":"canonical","cwe_ids":["CWE-173"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26302.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26302"},{"type":"FIX","url":"https://github.com/executablebooks/markdown-it-py/commit/53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c"},{"type":"PACKAGE","url":"https://github.com/executablebooks/markdown-it-py"},{"type":"PACKAGE","url":"https://github.com/executablebooks/markdown-it-py/releases"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/executablebooks/markdown-it-py","events":[{"introduced":"0"},{"fixed":"73a01479212bfe2aea0b995b4d13c8ddca2e4265"},{"fixed":"53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c"}],"database_specific":{"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:executablebooks:markdown-it-py:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.2.0"}]}}],"versions":["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://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26302.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}