{"action":"Upgrade libvncserver to 0.9.11+dfsg-1.3 or later.","affected":[{"fixed":"0.9.11+dfsg-1.3","introduced":"0"}],"component":"libvncserver","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["0.9.11+dfsg-1.3"],"id":"tcs_01M5NDBC9BZ3D8T6GFS7RQQRMM","modified_at":"2026-10-23T18:03:05.367549720Z","published_at":"2019-01-30T18:29:00.257Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20748","https://security-tracker.debian.org/tracker/CVE-2018-20748"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20748#Debian:14/libvncserver","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20748"}],"summary":"LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete."}