{"action":"Upgrade rdesktop to 1.8.4-1 or later.","affected":[{"fixed":"1.8.4-1","introduced":"0"}],"component":"rdesktop","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.8.4-1"],"id":"tcs_01M5NDAAZXQF64GW497DPX3N6T","modified_at":"2026-10-23T18:03:47.998699173Z","published_at":"2019-03-15T18:29:00.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20181","https://security-tracker.debian.org/tracker/CVE-2018-20181"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20181","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20181"}],"summary":"rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably ev"}