{"action":"Upgrade markdownify to 0.14.1 or later.","affected":[{"fixed":"0.14.1","introduced":"0"}],"component":"markdownify","cve_ids":["CVE-2025-46656"],"ecosystem":"PyPI","epss":0.0022,"exploited":false,"fixed_versions":["0.14.1"],"ghsa_id":"GHSA-7mpr-5m44-h73r","id":"tcs_01M5KGTKEQYG6ZZZH52NFG7PJV","modified_at":"2026-07-07T17:46:15.322572753Z","published_at":"2026-07-07T16:02:51.414781Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1604","https://nvd.nist.gov/vuln/detail/CVE-2025-46656","https://github.com/matthewwithanm/python-markdownify/issues/143","https://github.com/matthewwithanm/python-markdownify/commit/959561879693bf4a576f99c6733b50b01186aa08","https://github.com/matthewwithanm/python-markdownify","https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1","https://pypi.org/project/markdownify","https://github.com/advisories/GHSA-7mpr-5m44-h73r"],"severity":{"label":"low","score":2.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-1604","url":"https://osv.dev/vulnerability/PYSEC-2026-1604"}],"summary":"markdownify allows large headline prefixes such as <h9999999>, which causes memory consumption"}