CVE-2014-6051
EPSS 8.0%libvncserver - security update
Published: 9/30/2014Modified: 4/28/2026
Description
Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow.
Affected packages (5)
- Debian/italcfrom 0, < 1:2.0.2+dfsg1-2+deb8u1
- Debian/libvncserverfrom 0, < 0.9.9+dfsg-6.1
- Debian/libvncserverfrom 0, < 0.9.7-2+deb6u1
- Debian/libvncserverfrom 0, < 0.9.9+dfsg-1+deb7u1
- Debian/veyonfrom 0, < 4.1.4+repack1-1