CVE-2020-14399
libvncserver: byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 17, 2020
Updated · November 21, 2025
Description
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
Statement
This flaw does not affect versions of vino shipped with Red Hat Enterprise Linux 6, 7, or 8 because vino does not ship the libvncclient. Additionally, Red Hat Product Security does not consider this to be a security vulnerability because no trust boundary is crossed and there is no known path of exploitation. This is a standard software reliability bug.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor