{"id":"CVE-2020-25708","aliases":["ALPINE-CVE-2020-25708","ALSA-2021:1811","DEBIAN-CVE-2020-25708","DLA-2451-1","DLA-3125-1","EUVD-2020-18363","GHSA-3xcq-6vjj-wqx7","MGASA-2020-0439","RHSA-2021:1811","RLSA-2021:1811","SUSE-SU-2020:14549-1","SUSE-SU-2020:3515-1","SUSE-SU-2020:3550-1","UBUNTU-CVE-2020-25708","USN-4636-1","openSUSE-SU-2020:2025-1","openSUSE-SU-2020:2097-1","openSUSE-SU-2024:10598-1"],"status":"published","title":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use...","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01526,"percentile":0.74896,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369"],"published":"2020-11-13T00:00:00Z","modified":"2026-11-03T06:32:36Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"libvncserver","fixed_in":["0.9.11+dfsg-1.3~deb9u6"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"vino","fixed_in":["3.22.0-3.3.mga7"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Point of Sale 11 SP3","package":"LibVNCServer","fixed_in":["0.9.1-160.22.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 11 SP4-LTSS","package":"LibVNCServer","fixed_in":["0.9.1-160.22.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP1","package":"LibVNCServer","fixed_in":["0.9.10-4.25.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP2","package":"LibVNCServer","fixed_in":["0.9.10-4.25.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP1","package":"LibVNCServer","fixed_in":["0.9.10-4.25.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP2","package":"LibVNCServer","fixed_in":["0.9.10-4.25.1"],"sources":["osv"]},{"ecosystem":"SUSE:HPE Helion OpenStack 8","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:OpenStack Cloud 7","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:OpenStack Cloud 8","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:OpenStack Cloud 9","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:OpenStack Cloud Crowbar 8","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:OpenStack Cloud Crowbar 9","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"SUSE:Enterprise Storage 5","package":"LibVNCServer","fixed_in":["0.9.9-17.34.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libvncserver","fixed_in":["0.9.10+dfsg-3ubuntu0.16.04.6"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"vino","fixed_in":["3.8.1-0ubuntu9.4"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"libvncserver","fixed_in":["0.9.11+dfsg-1ubuntu1.4"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"vino","fixed_in":["3.22.0-3ubuntu1.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"libvncserver","fixed_in":["0.9.12+dfsg-9ubuntu0.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"vino","fixed_in":["3.22.0-5ubuntu2.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"vino","fixed_in":["3.22.0-6ubuntu3"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"vino","fixed_in":["3.22.0-6ubuntu3"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.2","package":"LibVNCServer","fixed_in":["0.9.10-lp152.9.8.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.1","package":"LibVNCServer","fixed_in":["0.9.10-lp151.7.12.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libvncserver-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:12","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11+dfsg-1.3~deb9u6"}]}],"versions":["0.9.11+dfsg-1","0.9.11+dfsg-1+deb9u1","0.9.11+dfsg-1.1","0.9.11+dfsg-1.2","0.9.11+dfsg-1.3~deb9u1","0.9.11+dfsg-1.3~deb9u2","0.9.11+dfsg-1.3~deb9u3","0.9.11+dfsg-1.3~deb9u4","0.9.11+dfsg-1.3~deb9u5"]},{"source":"osv","ecosystem":"Debian:10","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11+dfsg-1.3+deb10u5"}]}],"versions":["0.9.11+dfsg-1.3","0.9.11+dfsg-1.3+deb10u1","0.9.11+dfsg-1.3+deb10u2","0.9.11+dfsg-1.3+deb10u3","0.9.11+dfsg-1.3+deb10u4"],"bundled":2},{"source":"osv","ecosystem":"Mageia:7","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-3.3.mga7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::appstream","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::appstream","package":"libvncserver-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::appstream","package":"libvncserver-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::crb","package":"libvncserver-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::crb","package":"libvncserver-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::crb","package":"libvncserver-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"Rocky Linux:8","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.11-17.el8"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Point of Sale 11 SP3","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1-160.22.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4-LTSS","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1-160.22.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP1","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-4.25.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP2","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-4.25.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP1","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-4.25.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP2","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-4.25.1"}]}]},{"source":"osv","ecosystem":"SUSE:HPE Helion OpenStack 8","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 8","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 9","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud Crowbar 8","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud Crowbar 9","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 5","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.9-17.34.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.9-6.4","1.3.9-6.4ubuntu1","1.3.9-6.5+deb8u1build0.14.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"x11vnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.13-1.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10+dfsg-3ubuntu0.16.04.6"}]}],"versions":["0.9.10+dfsg-3","0.9.10+dfsg-3build1","0.9.10+dfsg-3ubuntu0.16.04.1","0.9.10+dfsg-3ubuntu0.16.04.2","0.9.10+dfsg-3ubuntu0.16.04.3","0.9.10+dfsg-3ubuntu0.16.04.4","0.9.10+dfsg-3ubuntu0.16.04.5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.1-0ubuntu9.4"}]}],"versions":["3.8.1-0ubuntu6","3.8.1-0ubuntu7","3.8.1-0ubuntu8","3.8.1-0ubuntu9","3.8.1-0ubuntu9.1","3.8.1-0ubuntu9.2","3.8.1-0ubuntu9.3"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"italc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.0.2+dfsg1-3","1:2.0.2+dfsg1-4","1:2.0.2+dfsg1-4ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.10-0ubuntu2","1.3.10-0ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11+dfsg-1ubuntu1.4"}]}],"versions":["0.9.11+dfsg-1","0.9.11+dfsg-1ubuntu1","0.9.11+dfsg-1ubuntu1.1","0.9.11+dfsg-1ubuntu1.2","0.9.11+dfsg-1ubuntu1.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-3ubuntu1.2"}]}],"versions":["3.8.1-0ubuntu12","3.22.0-2ubuntu1","3.22.0-3ubuntu1","3.22.0-3ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"italc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:3.0.3+dfsg1-1","1:3.0.3+dfsg1-2","1:3.0.3+dfsg1-2build1","1:3.0.3+dfsg1-2ubuntu1","1:3.0.3+dfsg1-3","1:3.0.3+dfsg1-3ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.10-0ubuntu3","1.3.10-0ubuntu4"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12+dfsg-9ubuntu0.3"}]}],"versions":["0.9.11+dfsg-1.3","0.9.12+dfsg-3ubuntu3","0.9.12+dfsg-6","0.9.12+dfsg-7","0.9.12+dfsg-8","0.9.12+dfsg-9","0.9.12+dfsg-9ubuntu0.1","0.9.12+dfsg-9ubuntu0.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-5ubuntu2.2"}]}],"versions":["3.22.0-5ubuntu2","3.22.0-5ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.10-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.4+repack1-2","4.2.5+repack1-1","4.3.1+repack1-1","4.3.1+repack1-2","4.3.1+repack1-2build1","4.3.1+repack1-2build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.10-3","1:1.3.10-5"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.3+repack1-1build1","4.5.3+repack1-1build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-6ubuntu3"}]}]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.10-7","1:1.3.10-7build1","1:1.3.10-7build2","1:1.3.10-8"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.5+repack1-1build2","4.7.5+repack1-1ubuntu1","4.7.5+repack1-1ubuntu3","4.7.5+repack1-1ubuntu4","4.7.5+repack1-1ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-6ubuntu3"}]}]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.10-9","1:1.3.10-10"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.5+repack1-1ubuntu6","4.7.5+repack1-1ubuntu7","4.9.7+repack1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.10-10build1","1:1.3.10-11"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.7+repack1-1build1","4.9.7+repack1-1.1","4.9.7+repack1-1.1build1","4.9.7+repack1-1.1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"tightvnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3.10-10","1:1.3.10-10build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"veyon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.7+repack1-1","4.9.7+repack1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10+dfsg-3ubuntu0.16.04.6"}]}],"versions":["0.9.10+dfsg-3","0.9.10+dfsg-3build1","0.9.10+dfsg-3ubuntu0.16.04.1","0.9.10+dfsg-3ubuntu0.16.04.2","0.9.10+dfsg-3ubuntu0.16.04.3","0.9.10+dfsg-3ubuntu0.16.04.4","0.9.10+dfsg-3ubuntu0.16.04.5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.1-0ubuntu9.4"}]}],"versions":["3.8.1-0ubuntu6","3.8.1-0ubuntu7","3.8.1-0ubuntu8","3.8.1-0ubuntu9","3.8.1-0ubuntu9.1","3.8.1-0ubuntu9.2","3.8.1-0ubuntu9.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11+dfsg-1ubuntu1.4"}]}],"versions":["0.9.11+dfsg-1","0.9.11+dfsg-1ubuntu1","0.9.11+dfsg-1ubuntu1.1","0.9.11+dfsg-1ubuntu1.2","0.9.11+dfsg-1ubuntu1.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-3ubuntu1.2"}]}],"versions":["3.8.1-0ubuntu12","3.22.0-2ubuntu1","3.22.0-3ubuntu1","3.22.0-3ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12+dfsg-9ubuntu0.3"}]}],"versions":["0.9.11+dfsg-1.3","0.9.12+dfsg-3ubuntu3","0.9.12+dfsg-6","0.9.12+dfsg-7","0.9.12+dfsg-8","0.9.12+dfsg-9","0.9.12+dfsg-9ubuntu0.1","0.9.12+dfsg-9ubuntu0.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"vino","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-5ubuntu2.2"}]}],"versions":["3.22.0-5ubuntu2","3.22.0-5ubuntu2.1"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-lp152.9.8.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"LibVNCServer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-lp151.7.12.1"}]}]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"libvnc","product":"libvncserver"},{"vendor":"libvncserver_project","product":"libvncserver"},{"vendor":"redhat","product":"enterprise_linux"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1896739","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00035.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25708","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3xcq-6vjj-wqx7"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-25708","tags":["advisory"]},{"url":"https://errata.almalinux.org/8/ALSA-2021-1811.html","tags":["advisory"]},{"url":"https://vulners.com/cve/CVE-2018-21247","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2019-20839","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-14397","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-14405","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-25708","tags":["report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-25708","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0439.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27636","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4636-1","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2021:1811","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1849877","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1849886","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860325","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860344","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1811.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-21247","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-21247","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21247","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-20839","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20839","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20839","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-14397","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14397","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14397","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-14405","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14405","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14405","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-25708","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25708","tags":["advisory","report"]},{"url":"https://github.com/LibVNC/libvncserver/commit/673c07a75ed844d74676f3ccdcfdc706a7052dba","tags":["article"]},{"url":"https://github.com/LibVNC/libvncserver/issues/409","tags":["article","report"]},{"url":"https://errata.rockylinux.org/RLSA-2021:1811","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-202014549-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1178682","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25708","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203515-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203550-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-25708","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RE5HT53OIOVH6753LHKM4XRKGN6GM3K6/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WZC6Q36DSCUZTCIKGNLVYAKNWAL4N775/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2006-2450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20019","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20748","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20749","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-21247","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6307","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7225","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15690","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20788","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20840","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14397","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14398","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14399","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14400","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14401","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14404","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T17:41:41Z","modified":"2024-08-04T15:40:36.639Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-18363","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T17:41:41Z","modified":"2024-08-04T15:40:36Z","updated_at":"2026-11-03T03:07:16.74035Z"}],"ghsa":[{"id":"GHSA-3xcq-6vjj-wqx7","title":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use...","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2022-05-24T17:35:01Z","modified":"2023-01-29T05:04:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:45:35.654176Z"}],"nvd":[{"id":"CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T18:15:11.627Z","modified":"2026-06-17T03:07:10.04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"ALPINE-CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T18:15:11.627Z","modified":"2026-11-03T06:32:36.750407842Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T18:15:11.627Z","modified":"2026-10-24T10:30:22.127311523Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-27T18:15:11.627Z","modified":"2026-10-26T12:02:30.063747416Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"RHSA-2021:1811","title":"Red Hat Security Advisory: libvncserver security update","status":"published","published":"2024-09-16T05:02:38Z","modified":"2026-06-27T10:13:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"RLSA-2021:1811","title":"Moderate: libvncserver security update","description":"LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(es):\n\n* libvncserver: uninitialized memory contents are vulnerable to Information Leak (CVE-2018-21247)\n\n* libvncserver: buffer overflow in ConnectClientToUnixSock() (CVE-2019-20839)\n\n* libvncserver: libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)\n\n* libvncserver: libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)\n\n* libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (CVE-2020-25708)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.","status":"published","published":"2021-05-18T06:09:01Z","modified":"2026-02-04T10:30:04.644359Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"UBUNTU-CVE-2020-25708","description":"A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.","status":"published","published":"2020-11-13T00:00:00Z","modified":"2026-10-17T12:55:44.968831805Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"ALSA-2021:1811","title":"Moderate: libvncserver security update","description":"LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(es):\n\n* libvncserver: uninitialized memory contents are vulnerable to Information Leak (CVE-2018-21247)\n\n* libvncserver: buffer overflow in ConnectClientToUnixSock() (CVE-2019-20839)\n\n* libvncserver: libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)\n\n* libvncserver: libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)\n\n* libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (CVE-2020-25708)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2021-05-18T06:09:01Z","modified":"2026-10-29T11:00:51.550030413Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"DLA-2451-1","title":"libvncserver - security update","status":"published","published":"2020-11-15T00:00:00Z","modified":"2026-03-09T01:23:14.308644Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DLA-3125-1","title":"libvncserver - security update","status":"published","published":"2022-09-30T00:00:00Z","modified":"2026-03-09T01:23:30.014514Z","updated_at":"2026-11-02T15:46:11.189256Z"},{"id":"MGASA-2020-0439","title":"Updated vino package fixes a security vulnerability","description":"libvncserver/rfbserver.c from LibVNCServer, which is bundled by vino, has a\ndivide by zero issue which could result in denial of service (CVE-2020-25708).\n","status":"published","published":"2020-11-23T19:51:37Z","modified":"2026-04-16T04:43:32.030979703Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2020:2025-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero which could result in DoS\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-11-26T06:57:37Z","modified":"2026-02-04T03:03:55.58385Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:2097-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero which could result in DoS\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-11-28T17:52:17Z","modified":"2026-02-04T04:12:47.953408Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2024:10598-1","title":"LibVNCServer-devel-0.9.13-3.1 on GA media","description":"These are all security issues fixed in the LibVNCServer-devel-0.9.13-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:15:49.041318Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2020:14549-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero which could result in DoS\n","status":"published","published":"2020-11-26T11:47:01Z","modified":"2026-02-04T04:19:27.601555Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:3515-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero which could result in DoS\n","status":"published","published":"2020-11-25T12:15:02Z","modified":"2026-02-04T02:31:16.404359Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3550-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero which could result in DoS\n","status":"published","published":"2020-11-27T11:23:28Z","modified":"2026-02-04T02:35:50.126494Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"USN-4636-1","title":"libvncserver, vino vulnerability","description":"It was discovered that LibVNCServer incorrectly handled certain internals.\nAn attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.\n\nVino package ships with a LibVNCServer source and all listed releases were\naffected for this package.\n","status":"published","published":"2020-11-17T17:31:54Z","modified":"2026-04-27T15:46:57.461697Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}