{"action":"Upgrade htmldoc to 1.9.13-1 or later.","affected":[{"fixed":"1.9.13-1","introduced":"0"}],"component":"htmldoc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.9.13-1"],"id":"tcs_01M5NFR7VME41BT3AFWZNQW9ST","modified_at":"2026-10-23T18:03:49.564113711Z","published_at":"2023-07-18T14:15:11.780Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-34121","https://security-tracker.debian.org/tracker/CVE-2021-34121"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-34121","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-34121"}],"summary":"An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulne"}