CVE-2014-6051
libvncserver - security update
EPSS 8.0%
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.
How to fix CVE-2014-6051
To remediate CVE-2014-6051, upgrade the affected package to a fixed version below.
- Debian/italc—upgrade to 1:2.0.2+dfsg1-2+deb8u1 or later
- Debian/libvncserver—upgrade to 0.9.9+dfsg-6.1 or later
- —upgrade to 0.9.7-2+deb6u1 or later
- —upgrade to 0.9.9+dfsg-1+deb7u1 or later
- —upgrade to 4.1.4+repack1-1 or later
Is CVE-2014-6051 being exploited?
Moderate — EPSS is 8.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 1:2.0.2+dfsg1-2+deb8u1
- from 0, < 0.9.9+dfsg-6.1
- from 0, < 0.9.7-2+deb6u1
- from 0, < 0.9.9+dfsg-1+deb7u1
- from 0, < 4.1.4+repack1-1