{"action":"Upgrade markdown-it-py to 2.1.0-5 or later.","affected":[{"fixed":"2.1.0-5","introduced":"0"}],"component":"markdown-it-py","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.1.0-5"],"id":"tcs_01M5NHYSXSGPYGPZTXMP97TCN9","modified_at":"2026-10-23T18:04:23.183255609Z","published_at":"2023-02-23T00:15:11.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-26303","https://security-tracker.debian.org/tracker/CVE-2023-26303"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-26303","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-26303"}],"summary":"Denial of service could be caused to markdown-it-py, before v2.2.0, if an attacker was allowed to force null assertions with specially crafted input."}