{"id":"CVE-2020-14405","details":"An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.","modified":"2026-03-20T04:00:23.116530Z","published":"2020-06-17T16:15:12.337Z","related":["ALSA-2021:1811","MGASA-2020-0280"],"references":[{"type":"ADVISORY","url":"https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4434-1/"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"},{"type":"FIX","url":"https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libvnc/libvncserver","events":[{"introduced":"0"},{"fixed":"0a70095271d845d16a3ed17354841b01f33963ad"},{"fixed":"8937203441ee241c4ace85da687b7d6633a12365"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.9.12"}]}}],"versions":["LibVNCServer-0.9.10","LibVNCServer-0.9.11","LibVNCServer-0.9.8","LibVNCServer-0.9.9","X11VNC_0_9_10","X11VNC_0_9_11","X11VNC_0_9_12","X11VNC_0_9_7","X11VNC_0_9_8","X11VNC_0_9_9","X11VNC_REL_0_9_4","X11VNC_REL_0_9_5","X11VNC_REL_0_9_6"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]},{"events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-14405.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}