CVE-2014-6052
EPSS 4.5%
Description
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.
How to fix CVE-2014-6052
To remediate CVE-2014-6052, upgrade the affected package to a fixed version below.
- Debian/libvncserver—upgrade to 0.9.9+dfsg-6.1 or later
- Debian/veyon—upgrade to 4.1.4+repack1-1 or later
Is CVE-2014-6052 being exploited?
Low — EPSS is 4.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.9.9+dfsg-6.1
- from 0, < 4.1.4+repack1-1