VULNERABILITY INTELLIGENCE

CVE-2014-6052

CVSS score7.5 HIGH
EPSS probability6.75%
CISA KEVNot currently listed
Published2014-12-15
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references