CVE-2018-7225
Fixed in a distro release EPSS 6%
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
Products: libvncserver_project libvncserver, debian_linux, canonical ubuntu_linux, redhat enterprise_linux_desktop, redhat enterprise_linux_server, redhat enterprise_linux_server_aus, redhat enterprise_linux_server_eus, redhat enterprise_linux_server_tus, redhat enterprise_linux_workstation
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | libvncserver | 0.9.11-r2 |
| Alpine 3.11 | libvncserver | 0.9.11-r2 |
| Alpine 3.5 | libvncserver | 0.9.11-r1 |
| Alpine 3.6 | libvncserver | 0.9.11-r1 |
| Alpine 3.7 | libvncserver | 0.9.11-r2 |
| Alpine 3.8 | libvncserver | 0.9.11-r2 |
| Alpine 3.9 | libvncserver | 0.9.11-r2 |
| Amazon Linux 2 | libvncserver | 0.9.9-12.amzn2 |
| Amazon Linux 2 | libvncserver-devel | 0.9.9-12.amzn2 |
| Arch Linux | libvncserver | 0.9.12-1 |
| Debian 12 | libvncserver | 0.9.11+dfsg-1.1 |
| Debian 12 | tightvnc | 1:1.3.9-9.1 |
| Debian 12 | vino | 3.22.0-6 |
| Debian 13 | libvncserver | 0.9.11+dfsg-1.1 |
| Debian 13 | tightvnc | 1:1.3.9-9.1 |
| Debian 14 | libvncserver | 0.9.11+dfsg-1.1 |
| Debian 14 | tightvnc | 1:1.3.9-9.1 |
| Debian 7 | libvncserver | 0.9.9+dfsg-1+deb7u3 |
| Debian 8 | italc | 1:2.0.2+dfsg1-2+deb8u1 |
| Debian 8 | libvncserver | 0.9.9+dfsg2-6.1+deb8u3 |
| Debian 8 | tightvnc | 1.3.9-6.5+deb8u1 |
| Debian 8 | vino | 3.14.0-2+deb8u1 |
| Debian 9 | libvncserver | 0.9.11+dfsg-1+deb9u1 |
| Red Hat Enterprise Linux 7 | libvncserver | 0:0.9.9-12.el7_5 |
| Red Hat Enterprise Linux 7 | libvncserver-debuginfo | 0:0.9.9-12.el7_5 |
| Red Hat Enterprise Linux 7 | libvncserver-devel | 0:0.9.9-12.el7_5 |
| SUSE Linux Enterprise Server 11 SP4 | LibVNCServer | 0.9.1-160.3.1 |
| SUSE Linux Enterprise Server 12 SP2 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Server 12 SP3 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | LibVNCServer | 0.9.1-160.3.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | LibVNCServer | 0.9.1-160.3.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | LibVNCServer | 0.9.9-17.5.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | LibVNCServer | 0.9.9-17.5.1 |
| Ubuntu 14.04 LTS | libvncserver | 0.9.9+dfsg-1ubuntu1.3 |
| Ubuntu 16.04 LTS | italc | 1:2.0.2+dfsg1-4ubuntu0.1 |
| Ubuntu 16.04 LTS | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.2 |
| Ubuntu 16.04 LTS | tightvnc | no fix |
| Ubuntu 16.04 LTS | vino | 3.8.1-0ubuntu9.3 |
| Ubuntu 18.04 LTS | italc | 1:3.0.3+dfsg1-3ubuntu0.1 |
| Ubuntu 18.04 LTS | tightvnc | no fix |
| Ubuntu 18.04 LTS | vino | 3.22.0-3ubuntu1.1 |
| Ubuntu 20.04 LTS | tightvnc | no fix |
| Ubuntu 20.04 LTS | vino | 3.22.0-5ubuntu2.1 |
| Ubuntu 22.04 LTS | tightvnc | no fix |
| Ubuntu 24.04 LTS | tightvnc | no fix |
| Ubuntu 25.10 | tightvnc | no fix |
| Ubuntu 26.04 LTS | tightvnc | no fix |
| Ubuntu 26.10 | tightvnc | no fix |
| Ubuntu Pro 14.04 LTS | tightvnc | 1.3.9-6.5+deb8u1build0.14.04.1~esm1 |