{"action":"Upgrade htmldoc to 1.9.11-4 or later.","affected":[{"fixed":"1.9.11-4","introduced":"0"}],"component":"htmldoc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.9.11-4"],"id":"tcs_01M5NFEMMTS5RXDD849SP8SHT1","modified_at":"2026-10-23T18:03:25.253644070Z","published_at":"2022-03-02T23:15:08.347Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-23191","https://security-tracker.debian.org/tracker/CVE-2021-23191"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-23191","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-23191"}],"summary":"A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service."}